You used to be able to do this in Leopard by doing cmd+shift+4 and then pressing space, and then clicking on the dock
now if you try this, you can either take a pic of just the dock, or just the apps on the dock, not both.
just dock:
just apps:
whats going on?
now if you try this, you can either take a pic of just the dock, or just the apps on the dock, not both.
just dock:

just apps:

whats going on?