We have a bunch of multi site FPA's for our free trial sites.
Here most of them are
http://www.blingcash.com/banners/multi/1/
http://www.blingcash.com/banners/multi/2/
http://www.blingcash.com/banners/multi/3/
http://www.blingcash.com/banners/multi/4/
http://www.blingcash.com/banners/multi/5/
http://www.blingcash.com/banners/multi/6/
Don't have them setup where you can directly link to them at the moment as we're busy working on version 2 of our program... But... If you or anyone else wants them hosted I can get it setup for you.
Just email me your account name to
[email protected] and I will get them setup ASAP.