Think different...
More transparency? yes we can!

It should work at the bottom, top, left and right positions,
running Indicators include to the dock...

Matching with :
http://www.wincustomize.com/explore/cursorfx/2747/
In the preview :
http://www.wincustomize.com/explore/objectdock_backgrounds/2/
http://www.wincustomize.com/explore/objectdock/12738/
http://www.wincustomize.com/explore/sidebar_gadgets/108/
http://www.wincustomize.com/explore/wallpapers/42208/

B2R gallery :
http://b2r.wincustomize.com/skins.aspx