Los Angeles-based kidthing, which makes digital media software focused on children, has inked a deal with MrsP.com, a children's entertainment site focused on reading and books. Mrs. P. and kidthing said that Mrs. P's video will be available for purchase and download as part of kidthing's service, beginning today. According to the firms, the titles will be available for $.99 each, and with new titles added on a monthly basis. kidthing develops a digital media player which runs on Windows, which allows parents to buy and control content for their children. Kidthing is venture backed by Alpinesky.