Front/sub setup options

[GBMidge7]

Hey all, had a question about setting my frontspeakers and sub through my receiver. I have a Yamaha RX-V663, two JBL front speakers, and Polk PSW10 sub. The JBLs each have a 6.5 inch woofer, 4inch woofer,and a tweeter (1 inch or3/4, don't know for sure). The PSW10 is a 10" sub. SO... just wondering whether to set the fronts to small or large... and then whether to set the LFE output to just "sub" or "both". Right now I have the settings on "Large" for the fronts and "both" for the LFE output. It sounds good to me, but I wanted to make sure I had things set up properly. Thanks in advance!