You'll find Texas Tea in almost every casino in Las Vegas. If a trip to Vegas isn't in the cards, you can play the game online at the casinos listed below. The online version of the Texas Tea slot machine is powered by IGT software. You can play the game right in your browser -- there's nothing to download.
American and Canadian players unfortunately aren't allowed to play Texas Tea online -- not even in "fun" mode. This may change in the future, but for now, IGT only allows online play from the UK and parts of Europe.