I have to admit the thing I hate the most about finishing up a job is trimming the paper on the back. Are there any steps for making this an easier process. It seems that all the little "devices" out there do not make a perfect straight line from the edge of the frame to the paper. What is the best gadget to use? I use Nona's method of laying down double sided tape on each side and then peeling it as you strech the paper. This part works fine. It is just the trimming part that gives me fits. Maybe after doing it over and over again, one could use thier finger on the side of the frame and guide the blade and get an even cut. Is this the best way? Are there gadgets out there that I do not know about? Any help appreciated! Thanks.