New version for Froyo, support for 24bit color and the full resolution on your camera!
Here's the file to install Gallery 3D to the Desire.
You have 2 ways of installing:
1) Install Android USB Driver (search for it) run the following commands:
adb install <filename and path>
2) Copy to SD Card, open in a file manager (make sure "install from unknown sources" is checked in menu) (untested)
Gallery works great, launches camera, and plays videos!