The wallpapers are 960-by-640-pixel and not compatible for iPhone 3gs although I can adjust them to fit the iPhone 3g and 3gs screen if anyone wants.
editThe wallpapers I've done here can be re-made to fit any other mobile phone that has the capability to change backgrounds :) These ONLY go with the iPhone 4
Hopefully this link works. The images are a little on the large size to post them here so there's an example:
Not all the images are Jack and Ianto but you're all welcome to take any :) I will be adding to it from time to time too :)
Yet another edit: This is the link to the folder with iPhone 3gs compatible wallpapers