Watch the Rhythm Variations online guitar lesson by TrueFire from Play Country Guitar 1: Quick-Start for Beginners

While there are a ton of different rhythm guitar variations that you can play, if you try to learn too many it can get a bit overwhelming. It is best to just learn a few variations at a time and get those down. So work on these and make sure you can keep them in time and you will be off to a good start building up your arsenal of rhythmic options.