Yes, it is Boromir trying to take the Ring from Frodo. Good guess, gollum*elf*pup! [img]smilies/biggrin.gif[/img]
That picture is from the old, horrible, bad-quality LOTR animated movie from the 70's. I own that movie on DVD. Its awful. I just watch it to laugh.
My list of things wrong with that movie
HERE.