you want to to plug the y connector from your lfe output on your avr directly to the LFE input on each sub. The rest looks ok, but it is usually a good idea to change the phase on them, one on 0 degrees and the other on 180 degrees, depending on placement, etc....
Then run your Audyssey with both subs and enjoy! You may have to average out the distance of the two subs to your listening position, and adjust it manually.
You may already know this, but make sure you get the sub volume level in your AVR after running Audyssey to 0.0 db or close to it. I usually do one position and then let it calibrate, and if it is too far in the +db area, I turn the subs up and redo it, and if it is too far in the -db area, I turn it down and redo it until it is close or at zero. This will give you lots of leeway to either turn them down, or turn them up using your receiver, as you shouldn't touch the volume on the subs once you run audyssey, should all be done through the receiver. Once you get the subs where you want them volume wise, run your full audyssey.
Also, make sure all your speakers are changed to SMALL manually after you run audyssey.
Have fun with your subs!
EDIT, I would cross the fronts at 80 hz in your receiver, and the surrounds and center at 100...try it out.