You asked for it and now it's here
You now have a new sort option in the gallery.
In addition to being able to sort by the date, the last comment and the # of comments, you can also sort by the number of times a project has been favorited.
Thank you for the suggestion and for your patience and thanks to our team for adding the feature!
To access this sorting option, scroll to the bottom of the screen when you are looking at a page of gallery entries, and click the drop-down to see this: