http://www.edwardtbabinski.us/mpm/mpm_whale_limb.html
That's a place to start with a few pictures of a modern humpback whale with it's floating bones. See also my post #210 on this thread.
http://www.geocities.com/CapeCanaveral/Hangar/2437/ambulo.htm
http://studentwebs.coloradocollege.edu/~s_echt/
The last one has the most skeletal pics.
Please be advised that whatever you propose in the way of an answer will not be received as an article of fact, but as an article of faith.