You can do a post here advertising your program as spam is allowed in that forum.
http://www.greenguysboard.com/board/...p?s=&forumid=6
As far as letting your affiliate know about it you should put a link to them on your affiliate page.
With Angel's site I installed mail list software so that webmasters can sign up to be notified of updates. Mail list software
http://mojo.skazat.com/