well.. let's see.
a.) agile messenger seems to work fairly well.
b.) it works. follow the tutorial here:
http://www.everythingq.com/kb/how-to...-a-motorola-q/
c.) you could try editing them to be 320x240 before putting them on the Q
d.) here are some apps others are using:
http://www.everythingq.com/forum/sof...our-q-452.html
e.) to lock the phone, hold down the
Home button. To change the volume, hold in the scroll-wheel until the volume indicator pops up, then rotate the wheel.
f.) you should be able to use any wav as a ringtone.
edit: Forgot to mention.. there is also a Mac forum, so you might want to check the posts in there to see if/what/how things work when interfacing with a Mac:
http://www.everythingq.com/forum/mac-motorola-q/