One of the larger online poker networks, according to PokerScout rankings, started accepting LTC. That network is Chico and it has three skins you may have heard of: Sportsbetting.ag, Tiger Gaming, and BetOnline.
Chico poker network is currently ranked in the top 15 networks world-wide and it's much larger than the niche sites that currently accept litecoin for poker. For example, if compared to Nitrogen poker, Chico has about 25 times as many players. Here's an article/details: http://professionalrakeback.com/betonli ... in-support