Ta for the quick reply. Rendering works, but this defeats its own purpose. The rtX can give realtime playback to some complex combinations of effects, this is the beauty of it.

The red line above the image (on the timeline) means it needs to render - can't even cope with a simple still image! Premiere on its own will do this.

Anyway, you found a way. If you can, try reinstalling X-tools, this is what Matrox recommended. (Mine wouldn't display any still image - jpeg, bitmap, targa, nothing.)