One of the easiest ways is to use a url shortening service.
The collections of Free URL Shortening Service
An Example
Turn this URL:
http://www.affiliate.com/buy-RVLSWCUSZ-Wii/dp/B0009VXBAQ/ref=pd_bbs_sr_1/102-2807968-1014504?ie=UTF8&s=videogames&qid=1175580663&sr=8-1
The downside of using such service is that if the "re-directer"Stop their service.You will have a number of broken links and might effect your reputation and your page rage as well.But,Not too worry about that.Million people are using it. Most of the time,The "re-directer rarely runaway".And it totally free and easy.
into this nice, tiny URL:
http://zurl.ws/1
http://cloakingking.blogspot.com/
