One-stop Shop With Screenblast

(subscription required): Screenblast, Sony Pictures Digital’s online service for consumer-created content, has unveiled a premium subscription membership as part of a general package of improvements that include dial-up access and Mac compatibility…For a $49.95 annual fee, which is set to double after an introductory period, subscribers will get hundreds of downloadable video clips, music beds, sound effects, graphic enhancements and other files taken from Sony Pictures Entertainment’s professional library in addition to those in the free section.