Hi Katherine, I dunno - it "sounds" helpful to me. Thanks! :-) I'm not a 'wizard' with Perl yet - but I have done a little bit - I will look into these libraries. RonL. -----Original Message----- From: Katherine Spice [mailto:k.spice at acu.ac.uk] My approach (and this probably isn't very helpful) would be to do it in perl using the GD libraries.