I got an XT clone up and running including its EGA card & monitor. Any suggestions on great EGA demos to try out?

Things I've found:

EGAD! various demo/slides. Also includes an EGA terrain generator that looks cool:
https://archive.org/details/EGAD_EGA_Demo

Rolex full screen clock: (looks like an EGA Paint generated animation):
https://archive.org/details/msdos_festival_ROLEX