Viking Fort Work in Progress

Playing Saga has made me want to make some Dark Ages terrain. I've never attempted terrain boards and such, but plunged in on the weekend with the start of a Viking/generic dark ages fort. The twice-poxed MDF base is already warping a little (which I thought they weren't supposed to do?), but otherwise things are proceeding nicely. I will be happy to finish whittling bits of dowel for the pallisade though. Here's how it's looking so far: