I made some simple lumber rack brackets that have held the test of time 
through tremendous loading.  Easy, strong and very cheap.
   It uses only 1 bolt through the wall stud.
Its 2 skins of 1/2 in plywood and 2 short 2X4 blocks as spacers.
  You set the rear block to fit the wall stud and the little block on 
the end just keeps everything together.

  http://users.snowcrest.net/kitty/sgrandstaff/images/shop%20pix/lumberrack.jpg

kind of a bad "windows paint: drawing

http://users.snowcrest.net/kitty/sgrandstaff/images/shop%20pix/lumberrack2.jpg
  yours Scott

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    Scott Grandstaff
    Box 409 Happy Camp, Ca  96039
    scottg@s...
    http://www.snowcrest.net/kitty/sgrandstaff/
    http://www.snowcrest.net/kitty/hpages/index.html