Referal link using Waxy Links

In Archive by Fredy Ore

I came across this post in on a referal type script called Waxy Links v0.05. This script lets you add referal urls and associate them with a post. The article is dated last June :::
I also came across this MT forum post on a David Raynes plug-in which grabs additional data from a trackback, such as title, link, and excerpt/description :::;act=ST;f=20;t=11945 and