nah, put 'em in /n/sources/contrib/<you>/... and add a link from the wiki.
Hmm.. might take longer than the install time to download it from sources :) I'm not sure what other people's experiences are like, but I dont get very high bandwidth from sources. The Free Operating Systems Zoo might be a good place to host an image: http://www.freeoszoo.org/ Tim Newsham http://www.lava.net/~newsham/
