vlydog, I put up a better pic, it shows about half the project. I didn't bury them, that ground is all rock. I cut 18" lengths of timber for blocks and then arranged them so each block had a flat place to sit, then lifted the timbers up and butted it all together. Splinter city! Where's my pocket knife?
maxman, what you're not telling us is... you trimmed those hedges by throwing sharpened playing cards with your mad Ninja Skillz. woot woot!