Posted by Stephanie Liu, YouTube APIs and Tools Team
We've seen some cool implementations in the past few weeks, and wanted to share some of them with you.
![](https://web.archive.org./web/20181123183313im_/https://docs.google.com/a/google.com/File?id=cfsszxbv_259g2hf62f5_b)
Jim Bumgardner recently migrated
Coverpop, a cool photo-mosaic app, off of the Legacy API to use the
YouTube Data API.
280Slides - A great web-based presentation creator with easy YouTube integration to add videos to your presentations.
ViralorSpiral - An interesting "hot or not" style of viral video prediction. It uses YouTube authentication for its accounts!
If you haven't seen these YouTube-specific implementations of the popular
Imageflow project, here are some neat tools you can add onto your own site.
![](https://web.archive.org./web/20181123183313im_/https://docs.google.com/a/google.com/File?id=cfsszxbv_261c35k6kcs_b)
As a downloadable PHP script: http://www.imageflow.nl/
![](https://web.archive.org./web/20181123183313im_/https://docs.google.com/a/google.com/File?id=cfsszxbv_262c5c6pffz_b)
As an easily embeddable Google Gadget: http://youtubeflow.blogspot.com/
If you've created or have seen cool YouTube mashups, let us know in
the forum!