Some tactics used by other pools are,
0% Fee's promotion
Block bonuses
http://www.litecoingiver.com/?p=r_f_hitw not sure what the community is or how it works, try to make it clearer.
Advertise each of your services on the home page to reduce bounce, under what you have, put some info about the play and win, quick start guide, work on your SEO, try to add 'LTC' into the header.
That miner configuration tool you have is AWESOME and UNIQUE to you, promote on the home page! I had to travel 2 clicks to find it :-(
Get your signature links up
Your two unique features are Affiliates and Configuration Tool, I would push those hard.