If you are talking about a 'Watermark' then unless you have permission to remove it, you shouldn't, and it is hard to do anyway. They own the copyright to the photograph so you shouldn't be trying to use it illegally if that is what you are doing.
Use the clone or heal tools and maybe the Content Aware Fill if you are using CS5 or later.
Go to the photo you want to delete. On the bottom right corner of the screen, there should be a trash can icon (if there isn't, tap the screen and it will appear). Tap the trash can icon.
delete them!
by thinking clearly about what you want to say when you're writing
throw them away or sell them
Click on the picture and press delete.
shops hold sales to get rid of stock
The F.C.C. is an agency of censorship. Some would argue that any form of censorship on writing, pictures, sound and other forms of media works against or even abridges the very purpose of the First Amendment.
mark the album to be viewed by you only it doesnt get rid of it but noone else will see it
Facebook is a social networking site used mainly by teenagers and young adults. The "black frame thing" around the photo can be removed by closing the photo.
by thinking clearly about what you want to say when you're writing
eBay