I just found amazing records of Raven Biology HERE that allow you to study anytime whether you are driving to work, exercising at the gym, or walking to class. Students with portable media players (iPod® and other audio/video devices) can study while on the move.
Raven Biology suggests to use Online Labs to deepen your practical skills.
Some biological animations can be downloaded from HERE.
MIT open course suggest some good stuff HERE.
Also, in iTunes I found quite good records Introduction to Molecular and Cellular Biology HERE.
This course is intended for the student interested in understanding and appreciating common biological topics in the study of the smallest units within biology: molecules and cells.
Finally, almost every topic can be found in audio format from HERE. You can download these audio & video courses straight to your computer or mp3 player.