Great page here :
http://wiki.xda-developers.com/index...sAndParameters
I'd suggest reading the whole thing but this is the meaty stuff for this thread ... assuming they all work, I havn't tested yet. :
"\windows\camera.exe" -i =photo mode
"\windows\camera.exe" -v =video mode
"\windows\camera.exe" -p =contact photo mode
"\windows\camera.exe" -m =mms video mode
"\Windows\HTCAlbum.exe" -mode:camera -type:image
"\Windows\HTCAlbum.exe" -mode:camera -type:video