Engelmann MovieSaver 4 lets you download videos in low or high quality from various online video portals. It supports Youtube, Clipfish, MyVideo, metacafe, sevenload, blip.tv, dailymotion, and various media libraries and other portals. It automatically downloads videos in the best quality but you may also download low quality videos. Video playlist download is also supported. It is possible to convert the audio track of a video to MP3. It provides a media filter that allows the playback of flash files with any software player, which uses the Microsoft direct-show interface.
Engelmann MovieSaver 4 costs 9.99 USD.