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It could just take the tile for surface 1 and show it somewhere on the screen, like below the faction image? or just the first 64x64 image in the tileset images dir - if it doesn't find one it's blank
[IMG]http://img225.imageshack.us/img225/6431/funfact.jpg[/img]
Maybe a preview.jpg in the main tileset folder. Set pixel size rules. If the image in not found, or the wrong size, then no preview?
[img]http://img10.imageshack.us/img10/7425/glestng.png[/img]