iStockphoto, a stock multimedia destination, announced its new audio collection. iStock's Standard Audio collection includes over 11,000 royalty-free, user-generated sound effects and music tracks. iStock also introduced a new Pump Audio collection of over 18,000 single-production music tracks. iStock is now offers stock imagery, video footage, vector illustrations, Flash files, and audio for purchase under a single payment model, on one site. Music and sound effects tracks can be used in a variety of creative projects, from Web video to TV shows, movies, commercials, public performances, and even games.