Well I checked and I have enough but only just if I put the full size png tiles up. All told they come to 850Mb. What I think ill do is run it at 1400 pix square for 200dpi and try JPG's and see if I can cut that down to a couple of hundred Megs then thats more respectable. Its the upload and download times too. Although I have broadband they really screw the upload speed so for each 150Mb or so, its about an hour. So I will host them but I don't have a dedicated machine on the internet for my stuff. I get a few gigs of allocation from some ISP server out there and thats shared between about 5 web sites.

I should have bought a static IP, a linux box, got Apache running and done it all myself. Then I would have had hundreds of gigs of space and 100 megabit upload speed. In fact, thinking about it, if I did that, I could serve these images directly from the script itself... ah well, live and learn.