site map generator

it allows you to add images with their alt tags into the site map.. so I am working on doing that right now so I can make the map http://www.xmlsitemapgenerator.org/index.aspx click advanced settings you can see where we can add images to sitemaps

Who links to your web site? backlinks detector

http://ahrefs.com/

How much is that domain worth?

http://domainindex.com/

also gives all sorts of other interesting information as well like backlinks and more.