Personally I always zoom at least 800 but most of the time I am rendering at 900-950% and my renders for the most part are always clean. -Rhaen-
Wait? pen tool? Omg. >_>; /me is ashamed. has been using eraser and poly lasso >_>; But anyway! render constructive critique tiem! First, seems like you used the magic wand. bad. use the pen tool i s'pose. like other said. ._. Don't lose your spirit! try again!