Short: Show a picture during boot.

PicBoot is a small program that display an IFF ILBM or GIF picture
during boot. As soon as the Workbench screen appears, the pricture
goes away. PicBoot requires OS 2.04, and have support for OS 3.0 and
AGA. Features optionally autodetaching, random selec among any number
of files, fast picture unpacking etc.