o2 3g data compression.

[tico24]

This article may be of use to UK 3g iPhone owners (especially if you use NetShare and you want to see proper images on your laptop).

http://www.edandersen.com/2008/07/13/iphone-o2-fix-the-image-compression/

(nb, I'm not the author, nor am I affiliated in any way with the blog owner). I have tried out his tips and they have improved the image quality on my downloads.