they're too good lookin' to abandon. just sew them together in long columns, or across rows. center each block on the seam with the one you're sewing it to. when you've done the row, take a deep breath and just even up that sucker. when you've done that, sew the columns/rows togther to form the top and square it off.
nobody but you will know the blocks were supposed to match perfectly. it will look deliciously random. :wink: