Watch the Diatonic Chords & Let It Be online guitar lesson by Vicki Genfan from Open Tuning Handbook: Rhythm
Notice the fuller sound of this tuning with the low C in the bass. Remember, there are so many songs that use these diatonic chords! Can you pick out some that you're already playing? What if you could change around the chords in the "Let It Be" progression and find another progression you like? That could be the beginning of a new composition!