... but if you want to do that, why not just have a website so everyone can look at it? You don't need to tie it to people who bought the album on iTunes.
I understand your point about music moving into the background when you're at a computer, and agree to some extent, but I think that's more to do with the fact you are sitting in front of an entertaining multi-function device rather than on a couch in front of a dedicated stereo system. It is possible to set up the latter even with a computer, and you'll still be distracted by all the possible activities with your computer even if you have a bundled web site to look at.
I agree that it's good to have something album-related to look at, to allow you to concentrate on the music more. Personally I think computers are the worst possible device to fulfil this role but don't have any other solutions.