Project - Raised Garden Bed

I've been silent for some time, but now I'm going to post about my next project:

A Raised Bed Garden - Urban style (I've a pretty small back yard)

I've started with this link sent to me by my Dad (my own personal PhD plant/garden/trees expert):

http://www.eartheasy.com/grow_raised_beds.htm#a

I'm going to drag the kids to Lowes today to buy some lumber. J helped me lay out 4 4'x 8' beds in the back yard with some twine. We then put down a blue tarp to kill the grass and weeds below.