My display panels are here:
http://www.armstrongproducts.com/51glry.htm (cloud gray). I also bought the zippered cases for them and they can fit into my car.
This past weekend's show has completely paid for these panels and the tent. I do wish I hadn't purchased such a cheap tent though. It will be good for small shows in decent weather but it isn't a quality item.
As to frames, I have a lot of paintings to frame (I'm prolific) and I tend to buy frames in batches from JFM Enterprises (
http://www.jfmenterprises.net/ ). I just grabbed the work on the top of the stack to put in this display. I do, however use different frames according to what looks good on the painting.