With SkiniTunes integrated with Windows Live, you are able to share album artwork information through your profile picture.
To enable, go to Settings > Messenger. Check Change my Windows Live Messenger display picture to the current track album artwork.
To disable/enable this feature on the fly,
right clicking any of the players or the 
icon on the taskbar, then go to Settings
> Display Album Artwork in Messenger.
RECOMMENDED:
To enable your current music to show as your personal message in Messenger perform the following steps:
1. Select Options... from the Tools menu of Messenger.
2. Select the Personal section.
3. Select the Show song information from Windows Media Player as a personal message and click OK,