(There's no video for BigPicture yet. Please contribute to MR and add a video now!)
BigPicture is a picture viewer application for Macintosh. It also has slideshow features.
BigPicture-4-2.sit (361.17 KiB / 369.84 KB)
BigPicture v4.2 (1999) / compressed w/ Stuffit
At least 2.4MB of free RAM (recommended: 8MB for high resolution pictures and slideshows)
Mac OS 7.x - Mac OS 9.2.2
Emulating this? It should run fine under: Basilisk II