Imp's Player
Author: Imp
Version: 3.0.3
Plays media library of Your Windows Media Player. Displays albumart picture or visual effects chosen in Your Windows Media Player. Also has minimized version without visual effects (albumart) display.
SLAG Music Player
Author: J-Walk And Associates
Version: 1.0
Simple Little Audio Gadget. Plays random tracks from your Windows Media Player playlists, with album art or visualizations.
Byurside
Author: Yoshihiko Nishihata
Version: 2.1.0.2
Shows an artwork and a track information of a song playing on iTunes or Winamp. You can control the player to play, pause, skip, volume, shuffle and so on. And besides, when nothing playing, slideshow is available.
iTunes Gadget
Author: Techie Type Guy
Version: 1.0
A simple little gadget that allows for the control of tracks in iTunes. Next, previous, and the toggling of the play/pause state are available. Current track information is also displayed within the gadget.