TV Guide’s jumping into TV indecency with "TV Ratings 101," a media literacy campaign for cable affils. Campaign vignettes will be shown at CTAM Summit’s New Media Lab. — Discovery HD Theater is creating customized HD infomercials aimed at demystifying the category. The 5-min spots can be shown on local access channels, at community events, in retail locations and on operators’ Web sites. — Disney Channel’s preschool block "Playhouse Disney" will roll out "Stanley’s Great Big Story Time Adventure" later this month in 4 cities served by Mediacom, Cable One, Cablevision and Comcast; it promotes preschool learning through the art of storytelling.