Program in a simple, really, really simple drum groove. Kick, snare and hihat. Kick on 1, 3; Snare on 2, 4; hihat on the 16th notes.

Apply Real Time Loop Remix... judiciously. While not everything it does is brilliant, it can give a variety of alternate grooves. It does so by altering the timing and position of the notes you've played. It's like auditioning different drummers. You execute, while listening, if you don't like it, try another and another.

Use the interval so you can space out the alterations. It never adds a drum you did not hit, but it can create rolls, fill-ins, breaks, you have use your own music sensibility and its YOUR responsibility to know what works and what doesn't. You are obviously reading the article. If you don't understand a parameter let me know. The more complex your groove the more stunning the remix possibilities. Try recording you own tom fill-in in measure 4 or 8 of a drum groove, then Remix that measure.