diff --git a/src/Explorer/Panes/PublishNotebookPaneAdapter.tsx b/src/Explorer/Panes/PublishNotebookPaneAdapter.tsx
index e0af34ae8..4fa84141e 100644
--- a/src/Explorer/Panes/PublishNotebookPaneAdapter.tsx
+++ b/src/Explorer/Panes/PublishNotebookPaneAdapter.tsx
@@ -1,5 +1,4 @@
 import ko from "knockout";
-import { ITextFieldProps, Stack, Text, TextField } from "office-ui-fabric-react";
 import * as React from "react";
 import { ReactAdapter } from "../../Bindings/ReactBindingHandler";
 import * as Logger from "../../Common/Logger";
@@ -7,8 +6,8 @@ import * as ViewModels from "../../Contracts/ViewModels";
 import { JunoClient } from "../../Juno/JunoClient";
 import { NotificationConsoleUtils } from "../../Utils/NotificationConsoleUtils";
 import { ConsoleDataType } from "../Menus/NotificationConsole/NotificationConsoleComponent";
-import { FileSystemUtil } from "../Notebook/FileSystemUtil";
 import { GenericRightPaneComponent, GenericRightPaneProps } from "./GenericRightPaneComponent";
+import { PublishNotebookPaneComponent, PublishNotebookPaneProps } from "./PublishNotebookPaneComponent";
 
 export class PublishNotebookPaneAdapter implements ReactAdapter {
   parameters: ko.Observable<number>;
@@ -22,7 +21,7 @@ export class PublishNotebookPaneAdapter implements ReactAdapter {
   private content: string;
   private description: string;
   private tags: string;
-  private thumbnailUrl: string;
+  private imageSrc: string;
 
   constructor(private container: ViewModels.Explorer, private junoClient: JunoClient) {
     this.parameters = ko.observable(Date.now());
@@ -87,7 +86,7 @@ export class PublishNotebookPaneAdapter implements ReactAdapter {
         this.description,
         this.tags?.split(","),
         this.author,
-        this.thumbnailUrl,
+        this.imageSrc,
         this.content
       );
       if (!response.data) {
@@ -112,44 +111,37 @@ export class PublishNotebookPaneAdapter implements ReactAdapter {
     this.close();
   }
 
+  private createFormErrorForLargeImageSelection = (formError: string, formErrorDetail: string, area: string): void => {
+    this.formError = formError;
+    this.formErrorDetail = formErrorDetail;
+
+    const message = `${this.formError}: ${this.formErrorDetail}`;
+    Logger.logError(message, area);
+    NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, message);
+    this.triggerRender();
+  };
+
+  private clearFormError = (): void => {
+    this.formError = undefined;
+    this.formErrorDetail = undefined;
+    this.triggerRender();
+  };
+
   private createContent = (): JSX.Element => {
-    const descriptionPara1 =
-      "This notebook has your data. Please make sure you delete any sensitive data/output before publishing.";
-    const descriptionPara2 = `Would you like to publish and share ${FileSystemUtil.stripExtension(
-      this.name,
-      "ipynb"
-    )} to the gallery?`;
-    const descriptionProps: ITextFieldProps = {
-      label: "Description",
-      ariaLabel: "Description",
-      multiline: true,
-      rows: 3,
-      required: true,
-      onChange: (event, newValue) => (this.description = newValue)
-    };
-    const tagsProps: ITextFieldProps = {
-      label: "Tags",
-      ariaLabel: "Tags",
-      placeholder: "Optional tag 1, Optional tag 2",
-      onChange: (event, newValue) => (this.tags = newValue)
-    };
-    const thumbnailProps: ITextFieldProps = {
-      label: "Cover image url",
-      ariaLabel: "Cover image url",
-      onChange: (event, newValue) => (this.thumbnailUrl = newValue)
+    const publishNotebookPaneProps: PublishNotebookPaneProps = {
+      notebookName: this.name,
+      notebookDescription: "",
+      notebookTags: "",
+      notebookAuthor: this.author,
+      notebookCreatedDate: new Date().toISOString(),
+      onChangeDescription: (newValue: string) => (this.description = newValue),
+      onChangeTags: (newValue: string) => (this.tags = newValue),
+      onChangeImageSrc: (newValue: string) => (this.imageSrc = newValue),
+      onError: this.createFormErrorForLargeImageSelection,
+      clearFormError: this.clearFormError
     };
 
-    return (
-      <div className="panelContent">
-        <Stack className="paneMainContent" tokens={{ childrenGap: 20 }}>
-          <Text>{descriptionPara1}</Text>
-          <Text>{descriptionPara2}</Text>
-          <TextField {...descriptionProps} />
-          <TextField {...tagsProps} />
-          <TextField {...thumbnailProps} />
-        </Stack>
-      </div>
-    );
+    return <PublishNotebookPaneComponent {...publishNotebookPaneProps} />;
   };
 
   private reset = (): void => {
diff --git a/src/Explorer/Panes/PublishNotebookPaneComponent.less b/src/Explorer/Panes/PublishNotebookPaneComponent.less
new file mode 100644
index 000000000..e1170b670
--- /dev/null
+++ b/src/Explorer/Panes/PublishNotebookPaneComponent.less
@@ -0,0 +1,6 @@
+.publishNotebookPanelContent {
+    display: flex;
+    flex-direction: column;
+    flex: 1;
+    overflow-y: auto;
+}
\ No newline at end of file
diff --git a/src/Explorer/Panes/PublishNotebookPaneComponent.test.tsx b/src/Explorer/Panes/PublishNotebookPaneComponent.test.tsx
new file mode 100644
index 000000000..6be43800c
--- /dev/null
+++ b/src/Explorer/Panes/PublishNotebookPaneComponent.test.tsx
@@ -0,0 +1,23 @@
+import { shallow } from "enzyme";
+import React from "react";
+import { PublishNotebookPaneComponent, PublishNotebookPaneProps } from "./PublishNotebookPaneComponent";
+
+describe("PublishNotebookPaneComponent", () => {
+  it("renders", () => {
+    const props: PublishNotebookPaneProps = {
+      notebookName: "SampleNotebook.ipynb",
+      notebookDescription: "sample description",
+      notebookTags: "tag1, tag2",
+      notebookAuthor: "CosmosDB",
+      notebookCreatedDate: "2020-07-17T00:00:00Z",
+      onChangeDescription: undefined,
+      onChangeTags: undefined,
+      onChangeImageSrc: undefined,
+      onError: undefined,
+      clearFormError: undefined
+    };
+
+    const wrapper = shallow(<PublishNotebookPaneComponent {...props} />);
+    expect(wrapper).toMatchSnapshot();
+  });
+});
diff --git a/src/Explorer/Panes/PublishNotebookPaneComponent.tsx b/src/Explorer/Panes/PublishNotebookPaneComponent.tsx
new file mode 100644
index 000000000..b87c822d0
--- /dev/null
+++ b/src/Explorer/Panes/PublishNotebookPaneComponent.tsx
@@ -0,0 +1,205 @@
+import { ITextFieldProps, Stack, Text, TextField, Dropdown, IDropdownProps } from "office-ui-fabric-react";
+import * as React from "react";
+import { GalleryCardComponent } from "../Controls/NotebookGallery/Cards/GalleryCardComponent";
+import { FileSystemUtil } from "../Notebook/FileSystemUtil";
+import "./PublishNotebookPaneComponent.less";
+
+export interface PublishNotebookPaneProps {
+  notebookName: string;
+  notebookDescription: string;
+  notebookTags: string;
+  notebookAuthor: string;
+  notebookCreatedDate: string;
+  onChangeDescription: (newValue: string) => void;
+  onChangeTags: (newValue: string) => void;
+  onChangeImageSrc: (newValue: string) => void;
+  onError: (formError: string, formErrorDetail: string, area: string) => void;
+  clearFormError: () => void;
+}
+
+interface PublishNotebookPaneState {
+  type: string;
+  notebookDescription: string;
+  notebookTags: string;
+  imageSrc: string;
+}
+
+export class PublishNotebookPaneComponent extends React.Component<PublishNotebookPaneProps, PublishNotebookPaneState> {
+  private static readonly maxImageSizeInMib = 1.5;
+  private static readonly ImageTypes = ["URL", "Custom Image"];
+  private descriptionPara1: string;
+  private descriptionPara2: string;
+  private descriptionProps: ITextFieldProps;
+  private tagsProps: ITextFieldProps;
+  private thumbnailUrlProps: ITextFieldProps;
+  private thumbnailSelectorProps: IDropdownProps;
+  private imageToBase64: (file: File, updateImageSrc: (result: string) => void) => void;
+
+  constructor(props: PublishNotebookPaneProps) {
+    super(props);
+
+    this.state = {
+      type: PublishNotebookPaneComponent.ImageTypes[0],
+      notebookDescription: "",
+      notebookTags: "",
+      imageSrc: undefined
+    };
+
+    this.imageToBase64 = (file: File, updateImageSrc: (result: string) => void) => {
+      const reader = new FileReader();
+      reader.readAsDataURL(file);
+      reader.onload = function() {
+        updateImageSrc(reader.result.toString());
+      };
+
+      const onError = this.props.onError;
+      reader.onerror = function(error) {
+        const formError = `Failed to convert ${file.name} to base64 format`;
+        const formErrorDetail = `${error}`;
+        const area = "PublishNotebookPaneComponent/selectImageFile";
+        onError(formError, formErrorDetail, area);
+      };
+    };
+
+    this.descriptionPara1 =
+      "This notebook has your data. Please make sure you delete any sensitive data/output before publishing.";
+
+    this.descriptionPara2 = `Would you like to publish and share "${FileSystemUtil.stripExtension(
+      this.props.notebookName,
+      "ipynb"
+    )}" to the gallery?`;
+
+    this.thumbnailUrlProps = {
+      label: "Cover image url",
+      ariaLabel: "Cover image url",
+      onChange: (event, newValue) => {
+        this.props.onChangeImageSrc(newValue);
+        this.setState({ imageSrc: newValue });
+      }
+    };
+
+    this.thumbnailSelectorProps = {
+      label: "Cover image",
+      defaultSelectedKey: PublishNotebookPaneComponent.ImageTypes[0],
+      ariaLabel: "Cover image",
+      options: PublishNotebookPaneComponent.ImageTypes.map((value: string) => ({ text: value, key: value })),
+      onChange: (event, options) => {
+        this.setState({ type: options.text });
+      }
+    };
+
+    this.descriptionProps = {
+      label: "Description",
+      ariaLabel: "Description",
+      multiline: true,
+      rows: 3,
+      required: true,
+      onChange: (event, newValue) => {
+        this.props.onChangeDescription(newValue);
+        this.setState({ notebookDescription: newValue });
+      }
+    };
+
+    this.tagsProps = {
+      label: "Tags",
+      ariaLabel: "Tags",
+      placeholder: "Optional tag 1, Optional tag 2",
+      onChange: (event, newValue) => {
+        this.props.onChangeTags(newValue);
+        this.setState({ notebookTags: newValue });
+      }
+    };
+  }
+
+  public render(): JSX.Element {
+    return (
+      <div className="publishNotebookPanelContent">
+        <Stack className="panelMainContent" tokens={{ childrenGap: 20 }}>
+          <Stack.Item>
+            <Text>{this.descriptionPara1}</Text>
+          </Stack.Item>
+
+          <Stack.Item>
+            <Text>{this.descriptionPara2}</Text>
+          </Stack.Item>
+
+          <Stack.Item>
+            <TextField {...this.descriptionProps} />
+          </Stack.Item>
+
+          <Stack.Item>
+            <TextField {...this.tagsProps} />
+          </Stack.Item>
+
+          <Stack.Item>
+            <Dropdown {...this.thumbnailSelectorProps} />
+          </Stack.Item>
+
+          {this.state.type === PublishNotebookPaneComponent.ImageTypes[0] ? (
+            <Stack.Item>
+              <TextField {...this.thumbnailUrlProps} />
+            </Stack.Item>
+          ) : (
+            <Stack.Item>
+              <input
+                id="selectImageFile"
+                type="file"
+                accept="image/*"
+                onChange={event => {
+                  const file = event.target.files[0];
+                  if (file.size / 1024 ** 2 > PublishNotebookPaneComponent.maxImageSizeInMib) {
+                    event.target.value = "";
+                    const formError = `Failed to upload ${file.name}`;
+                    const formErrorDetail = `Image is larger than ${PublishNotebookPaneComponent.maxImageSizeInMib} MiB. Please Choose a different image.`;
+                    const area = "PublishNotebookPaneComponent/selectImageFile";
+
+                    this.props.onError(formError, formErrorDetail, area);
+                    this.props.onChangeImageSrc(undefined);
+                    this.setState({ imageSrc: undefined });
+                    return;
+                  } else {
+                    this.props.clearFormError();
+                  }
+                  this.imageToBase64(file, (result: string) => {
+                    this.props.onChangeImageSrc(result);
+                    this.setState({ imageSrc: result });
+                  });
+                }}
+              />
+            </Stack.Item>
+          )}
+          <Stack.Item>
+            <Text>Preview</Text>
+          </Stack.Item>
+          <Stack.Item>
+            <GalleryCardComponent
+              data={{
+                id: undefined,
+                name: this.props.notebookName,
+                description: this.state.notebookDescription,
+                gitSha: undefined,
+                tags: this.state.notebookTags.split(","),
+                author: this.props.notebookAuthor,
+                thumbnailUrl: this.state.imageSrc,
+                created: this.props.notebookCreatedDate,
+                isSample: false,
+                downloads: 0,
+                favorites: 0,
+                views: 0
+              }}
+              isFavorite={false}
+              showDownload={true}
+              showDelete={true}
+              onClick={undefined}
+              onTagClick={undefined}
+              onFavoriteClick={undefined}
+              onUnfavoriteClick={undefined}
+              onDownloadClick={undefined}
+              onDeleteClick={undefined}
+            />
+          </Stack.Item>
+        </Stack>
+      </div>
+    );
+  }
+}
diff --git a/src/Explorer/Panes/__snapshots__/PublishNotebookPaneComponent.test.tsx.snap b/src/Explorer/Panes/__snapshots__/PublishNotebookPaneComponent.test.tsx.snap
new file mode 100644
index 000000000..bba1e3351
--- /dev/null
+++ b/src/Explorer/Panes/__snapshots__/PublishNotebookPaneComponent.test.tsx.snap
@@ -0,0 +1,102 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`PublishNotebookPaneComponent renders 1`] = `
+<div
+  className="publishNotebookPanelContent"
+>
+  <Stack
+    className="panelMainContent"
+    tokens={
+      Object {
+        "childrenGap": 20,
+      }
+    }
+  >
+    <StackItem>
+      <Text>
+        This notebook has your data. Please make sure you delete any sensitive data/output before publishing.
+      </Text>
+    </StackItem>
+    <StackItem>
+      <Text>
+        Would you like to publish and share "SampleNotebook" to the gallery?
+      </Text>
+    </StackItem>
+    <StackItem>
+      <StyledTextFieldBase
+        ariaLabel="Description"
+        label="Description"
+        multiline={true}
+        onChange={[Function]}
+        required={true}
+        rows={3}
+      />
+    </StackItem>
+    <StackItem>
+      <StyledTextFieldBase
+        ariaLabel="Tags"
+        label="Tags"
+        onChange={[Function]}
+        placeholder="Optional tag 1, Optional tag 2"
+      />
+    </StackItem>
+    <StackItem>
+      <StyledWithResponsiveMode
+        ariaLabel="Cover image"
+        defaultSelectedKey="URL"
+        label="Cover image"
+        onChange={[Function]}
+        options={
+          Array [
+            Object {
+              "key": "URL",
+              "text": "URL",
+            },
+            Object {
+              "key": "Custom Image",
+              "text": "Custom Image",
+            },
+          ]
+        }
+      />
+    </StackItem>
+    <StackItem>
+      <StyledTextFieldBase
+        ariaLabel="Cover image url"
+        label="Cover image url"
+        onChange={[Function]}
+      />
+    </StackItem>
+    <StackItem>
+      <Text>
+        Preview
+      </Text>
+    </StackItem>
+    <StackItem>
+      <GalleryCardComponent
+        data={
+          Object {
+            "author": "CosmosDB",
+            "created": "2020-07-17T00:00:00Z",
+            "description": "",
+            "downloads": 0,
+            "favorites": 0,
+            "gitSha": undefined,
+            "id": undefined,
+            "isSample": false,
+            "name": "SampleNotebook.ipynb",
+            "tags": Array [
+              "",
+            ],
+            "thumbnailUrl": undefined,
+            "views": 0,
+          }
+        }
+        isFavorite={false}
+        showDelete={true}
+        showDownload={true}
+      />
+    </StackItem>
+  </Stack>
+</div>
+`;