UPDATE: 9/4/09: A customer just informed me that Michaels Arts & Crafts carries the right size frames in their stores. More info. Thank you, Shannon! Thanks to Terry G., a recent poster customer, for inquiring about where to find 12 by 18 frames. That reminded me to post some links for Web sites that carry that frame size. I have not actually ordered the frames myself, so I hope to hear from those who have either used the resources below or have found other sources for 12 by 18 frames. UPDATE: 12/3/08 – Terry reports success with frames from Amazon. “The frames arrived yesterday...