Home Free is a really invasive ad company which uses a lot of different servers, and is used especially on the majorhost networks. (I've seen them elsewhere tho).
Name = "Kill Home Free ads"
Active = TRUE
URL = "$TYPE(htm)"
Bounds = "<!--*-->*<!-- end*-->"
Limit = 8192
Match = "<!-- START HOME FREE (HEADER|FOOTER) CODE -->*<!-- END HOME FREE (HEADER|FOOTER) CODE -->"
Replace = "<span class="prox" kill="Home Free" detail="Home Free"></span>"