> > > Can someone give me a quick overview of waht is and isnot possible with the terrain editor? I want to do a few things like make desert versions of certain temperate tile sets like the cliff to water set that the desert doesn't have...any chance of this?

> > I think it allows you to create and modify every aspect of a TMP file.

> Really? I had managed to modify areas of an existing template by copying to a paint program, editing and then pasting back into the editor for the same area, but how do you do the elevation and stuff or change what terrain type a certain cell is?

Right-click.