Chip Hankley writes: > >When creating a tileindex for a large image (i.e. breaking a >large image >into smaller tiles) what is (or is there) a good rule of thumb >for how big each tile should be? I can heartily reccomend a power of two specifically 2**8 < 256x256 > Other then being a managable size, this has the added benefit of making the individual tiles mip-mappable :-) Cheers Norman