Latest Updates: Arpegi v5.0.1 - Updated: 02/06/2024 (More patching is more patching.)
If you convert it to a Quick Time compatible format (.avi, .mp4, .mpeg, etc.) , you can just use Photoshop's "Video Frames to Layers" option.
http://uploading.com/files/d3f61ad4/Untitled1.gif/I couldn't upload it to an image-hosting site because of the large size (4MB-ish).