Pics are looking good, as are the snakes.
In the 1st photo personally I would prefer an increased depth of field. I like to see each scale clearly.
PS: Another BP.net user tipped me off to something I felt really dumb for not figuring out on my own.
With more active BP's besides having your equipment set-up in advance you can drop a hide on them and let them settle down a bit, pull off the hide and snap your pics before they decide they want to go exploring or to find another spot to hide.