note to strolen: We really need a place for people to post solicitations and notices.
While graphics are nice and useful, description will forever be better. It allows GMs to better adapt things to their game world, players, and style of play. Changing one thing, could eliminate all the graphical coolness from being useful.
Also, most players/ GMs don't have access to computers while in play, so some of the graphical goodies and format you have will be lost for those who transfer it over to pen and paper.
As for genericness, things that are too generic are not very useful, as there are more things you have to work on. Even here, where we don't use systems, you can tell that certain items/ places/ plots require certain types of settings/ gameworlds. There are givens that are going to have to be in place for people to properly adapt certain things. Just an opinion, something you might want to consider.