Creating your own tokens page content gone
At a minimum, here is some information (and example code) pulled from the blog post.

http://wiki.civicrm.org/confluence/display/CRMDOC/Customized+%28and+Custom%29+Tokens

Update: here is a link to the cached  version of the blog post that has the content: http://webcache.googleusercontent.com/search?q=cache%3Ahttps%3A%2F%2Fcivicrm.org%2Fblogs%2Fcolemanw%2Fcreate-your-own-tokens-fun-and-profit&amp;oq=cache%3Ahttps%3A%2F%2Fcivicrm.org%2Fblogs%2Fcolemanw%2Fcreate-your-own-tokens-fun-and-profit&amp;aqs=chrome..69i57j69i58.7385j0j4&amp;client=ms-android-verizon&amp;sourceid=chrome-mobile&amp;ie=UTF-8