diff --git a/frontend/components/welcome/Featured.js b/frontend/components/welcome/Featured.js
index 08f9a4e84b..e9970001c3 100644
--- a/frontend/components/welcome/Featured.js
+++ b/frontend/components/welcome/Featured.js
@@ -35,6 +35,8 @@ import { FeaturedCard } from "./FeaturedCard.js"
  *   source_url?: String,
  *   title?: String,
  *   description?: String,
+ *   binder_url?: String,
+ *   slider_server_url?: String,
  * }}
  */
 
@@ -197,8 +199,7 @@ export const Featured = ({ sources, direct_html_links }) => {
                                       <p>${coll.description}</p>
                                       <div class="card-list">
                                           ${collection(Object.values(data.notebooks), coll.tags ?? []).map(
-                                              (entry) =>
-                                                  html`<${FeaturedCard} entry=${entry} source_url=${data.source_url} direct_html_links=${direct_html_links} />`
+                                              (entry) => html`<${FeaturedCard} entry=${entry} source_manifest=${data} direct_html_links=${direct_html_links} />`
                                           )}
                                       </div>
                                   </div>
diff --git a/frontend/components/welcome/FeaturedCard.js b/frontend/components/welcome/FeaturedCard.js
index b0d05c9192..00a33d9efd 100644
--- a/frontend/components/welcome/FeaturedCard.js
+++ b/frontend/components/welcome/FeaturedCard.js
@@ -9,14 +9,16 @@ const str_to_degree = (s) => ([...s].reduce((a, b) => a + b.charCodeAt(0), 0) *
 
 /**
  * @param {{
+ *  source_manifest: import("./Featured.js").SourceManifest,
  *  entry: import("./Featured.js").SourceManifestNotebookEntry,
- *  source_url?: string,
  *  direct_html_links: boolean,
  * }} props
  */
-export const FeaturedCard = ({ entry, source_url, direct_html_links }) => {
+export const FeaturedCard = ({ entry, source_manifest, direct_html_links }) => {
     const title = entry.frontmatter?.title
 
+    const { source_url } = source_manifest
+
     const u = (/** @type {string | null | undefined} */ x) =>
         source_url == null
             ? x
@@ -37,8 +39,9 @@ export const FeaturedCard = ({ entry, source_url, direct_html_links }) => {
               notebookfile: u(entry.notebookfile_path),
               notebookfile_integrity: `sha256-${base64url_to_base64(entry.hash)}`,
               disable_ui: `true`,
-              pluto_server_url: `.`,
               name: title == null ? null : `sample ${title}`,
+              pluto_server_url: `.`,
+              slider_server_url: u(source_manifest.slider_server_url),
           })
 
     const author = author_info(entry.frontmatter)