[JasonB]

Yes, that's a fair point. The eps thing was just an experiment really, as Gordon has a lot of them.

PNG is, in my experience, as widely acceptable as JPG, opens in almost any image software, but is sharper, and has better colour definition.

Having said that, I'm not going to turn into the "file format fascist". All contributions are welcome, and at the sizes we use, maybe the differences are minimal.