you could try all the above or just use steel wool like i do
http://www.click-smilies.de/sammlung...smiley-011.gif
JUST KIDDING!
DONT USE STEEL WOOL!!!
http://www.click-smilies.de/sammlung...smiley-036.gif
there are plenty of sites that tell you how so my sugestion is seek and read
http://www.click-smilies.de/sammlung...smiley-036.gif