Yes, it's possible to add a "watermark" directly in a report using VFP 9 ReportListeners!
I've found an old message from Bo Durban in my backups that helps me to find the solution:
Bo Durban -> UT Message#
1027173:( Forgive me because I think that I have a memory lapse!
Searching a lot more (with a little more time) I've found a very old message from Craig Boyd that shows the solution using _GDIPlus and _ReportListener FFC classes:
http://www.tek-tips.com/viewthread.cfm?qid=1009464&page=5Tks for all!
Emerson Santon Reed
"One Developer CAN Make a Difference. A community CAN make a future." - Craig Boyd