The new gallery card is great for uploading multiple images and a big time saver. This block could be enhanced even more if we had the option to add links, buttons and/or text to images, similar to the gallery card in ArcGIS Hub or the 'Cards' template in Flourish.
This could then be a nice way to share logos and links to organisation websites:
Or a gallery of other apps/maps to explore:
This looks much more interesting and interactive than a simple bullet point list of URL links! It would also be much quicker to configure than creating a custom app using the web app builder or experience builder.