After a quick look:
1) Flush the mouse buffer before the Mouse is unlocked (M key), otherwise when you unlock the Mouse the objects are rotated god knows where.
2) Make zoom controlable via the mouse.
3) Add a description of what the program does & a screenshot to encourage people to use it.
4) Option for changing light source position would be nice.
5) Switching back to the task causes it to disapeear on my Win98 box.
6) An option to import textures would be good.
7) Replace "Da Codes" with something meaningful descriptive text.
Having said all that, I think this demos all those commands better than the official showcase in DBPro, so well done that man.
STE ;¬!