Vince: The secret is to not try to pull the fabric very tight when you first start. Just basically lay the fabric onto the frame with no stretching at all. Some of these window moldings are hard to do, like this one which has extremely tight corners, and right angles all around. These problems are further compounded by the fact that this Ultraleather does not stretch very much. When you get one like this, you need to do it in small steps, and really take your time. You can see where I marked just the area on the fabric that goes on the inside of the frame, and then only glued that specific area.
No one lives forever, the trick is creating something that will.