After I posted (late) last night, I played with Excel and created a new plan. I'm not sure how to show you an Excel spreadsheet, so you'll just have to wait and be surprised with how this looks as more progress is made.
This is a variation on the Log Cabin pattern. I know that just because I've seen the Log Cabin pattern mentioned all over the internet, but I've never tried it before- I've really never used much of a pattern. This is the most detailed block I've tried, and I think- after a little more practice- that I'll like doing this block.