Gil's link of the day!

http://www.lpl.arizona.edu/impacteffects/ If you don't get very good results, try a bigger sized rock or move closer to the strike.

http://www.paradise-engineering.com/quotation/itstheendoftheworldasweknowit.mp3 It fits with the first link.

http://www.everyvideogame.com/nintendo_game_list.htm