So I promised to give you a couple of links to a great way to browse Craigslist. And here they are. These are pretty cool, and make it much easier to page through the tons of things for sale. Also, many people like myself want to see a picture of the item, and ads without pictures are of little interest to me anyway. Give it a try. I like the byebyelist site the best.
http://byebyelist.com
Edit: Well, here it is 2011, about 3.5 years since I wrote this post! It seems these links no longer work. Actually the ByeByeList.com link sortof works sometimes. I am not sure what is going on, but if you find new sites that do show the Craigslist with pictures, please share them by leaving a comment below.
I did find a site called craigseasy.com that seems to work , but you have to save a bookmarklet and means a javascript code. I tried it and I didn’t see anything “sinister” about it, so I suppose its safe, but try it at your own risk! 
The byebyelist.com site was very helpful. I am in the market for a new(to me) car and craiglist has always bothered me.
Sorry, Listpic no longer uses Craigslist for content. See the Link: http://blobblogblogblogetc.blogspot.com/2007/12/san-diego-craigslist-community-miss.html
SG
Thanks for pointing that out. Too bad really, because it was a good idea. Well byebyelist.com is still working for now.