barbed wire clouds

i`m not satisfied with the rain.. i wanted the clouds to bleed the rain and i tried for hours to paint it.. but everthing looked just awful.. if someone has a good idea or a tutorial for sth like this: please tell me

my entry for this contest: [link]
model [link] by
barbed wire [link] by
cloud brushes [link] and [link] by
barrel [link] by
hair [link] by
water brush [link] by
rain brush [link] by