A video lecture by Professor James S. Nowick of UC Irvine about amino acids, peptides, and peptide synthesis. This is a good introduction to the subject.
This video from www.biology-forums.com explains how peptides and proteins are synthesized by ribozomes in living cells. http://youtu.be/Ikq9AcBcohA
This short video by Lisa Mota and Brenda Miranda illustrates the functions of different amino acids in the body. http://youtu.be/391TXlzbWo8
This video from web courses at the University of Illinois offers a simple explanation of how peptides can be synthesized in solution. http://www.youtube.com/watch?v=_ajfhzhBB2U&feature=related
This video provides a simple explanation of what peptides are. http://www.youtube.com/watch?v=pTtvncRgTI8&feature=related