I have changed the compression used for the maps. Instead of using .7z now everything is compressed in .zip. While I love 7-zip, the best file compression program in existence, the use of .7z and the need for a user to have 7-zip installed acted as a deterrent to new players. So this afternoon I took a few hours and converted everything to zip. These files will be larger than their 7z counterparts but they are still small as far as downloads go.
Because I did some things automated some of the links may lead to non-existent files. If you encounter a 404 page anywhere on this site please leave a comment on the page that it was linked from, I will be sure to fix it right away.