Here are pics of some slate I've been setting. I may get to grouting it this weekend. Got the slate from a a guy on a community message board for a great price - canceled job. It's not very square though, so it's something of a bitch to get good lines. That's ok - I'm going for "rustic" 
The first ones are where the wooodburner is going.

The first ones are where the wooodburner is going.