Oh, the bicep slicer is one nasty move! Fun counter to an armbar counter, especially if you manage to figure-four your legs over your arm
Here's a link going over some leg-locks including the Step-over (#8)
http://www.lockflow.com/article_view.php?id=2897
The Double Wristlock is basically a kimura
The Indian Deathlock
http://www.lockflow.com/article_view.php?id=399
Here's a list of moves from the mount, including a Bicep Slicer (not the one I prefer... I usually go for a Short Arm-scissor)
http://www.lockflow.com/article_view.php?id=2902