Music HUD Tweak Adds Album Art to the iOS Volume Display
Music HUD is a tweak by Daniel Taub that can add album art to the iOS volume heads-up display.
Quick information on the HUD of the details about the song that playing. You can also choose to show the Album image of the song. There also gestures for toggle play & toggle mute. You can choose to show the Album/Title/Artist of the song.
Music HUD can be configured from the Settings app. You can get it free from the Big Boss Cydia Repository.