You may want to take a lood at Back Yard Theater dot com. Lots of good ideas/input there. I love the frame design. Just moved to a new house with more privacy and that may be a design I'd like to borrow.
byt dot com sucks. i was never liked there and am banned. stay away.
In all honesty that may say more about you than them. It has a tremendous amount on information for outdoor theaters. AVS is great for nearly anything and everything A/V I need, but the outdoor section really is lacking in content. BYT has always been a great place to share ideas and ask for help. Sorry your experience was not as good as mine.
CNCRob you just repied to a five year old post, I wouldn't expect an answer. I think the majority would prefer you to start a new thread rather than resurrect threads that have been dead for many years. But who knows I could be wrong.