Here is a quick description on how to add SuperStamps/SuperCallouts so you can access them directly from inside Microsoft PowerPoint.
1) Open Powerpoint
2) Choose Insert/Clip Art/Organize Clips
3) Right-click on My Collection and add New Collection
Name your new collection SuperStamps
4) Locate the original SuperStamp folder and drag subfolders
001 – 022 into the Powerpoint SuperStamp folder.
5) You’re done
After this step you can now always access your SuperStamps from inside the clip art gallery in Powerpoint.