BearPlay
Cardschat Elite
Silver Level
You really can not get better playing play money games so play for the fun of it or don't play.
We do have some games that would be good to play in here:
Cardschat Fall Frenzy!
Poker professional Jason Somerville has created a Home Game Club on PokerStars for fans of his Run It Up videos. You could do worse than join the club and play some of the tournaments or cash games, many of which are play money. You may even get to play against Jason himself
Club Id 950160
Invitation Code Warriors
More Info on his twitter https://twitter.com/JasonSomerville
IMO, these are the two best suggestions to take to heart. As already stated, most play money games won't teach you good poker strategies, but they will better acquaint you with the basics, betting, etc.
The Fall Frenzy Series is a wonderful, no-risk opportunity to shape up your game, while learning and practicing many of the different poker variants, while also rubbing elbows with some of CC's finest. Even though these are freerolls, be assured that we take them very seriously.
I'm not acquainted with Jason Somerville, but anything that Rich recommends, I would look into. Rich is an excellent player.
Good luck to you on your endeavors.