Several issues here:
1) I select the tail vertex group to get the right UV layout. I can NOT go to texture paint (as I was told to do), I have to go to Object Mode and then to texture paint.
2) All texture sets will display, except for the tail. I switch through all, basic colour appears, but not for the tail (black image selected!)
3) I blindly paint on the tail. If I happen to touch the border of the UV set, Blender crashes.

What am I doing wrong?

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