Put cow into Back Ground layer and match color and contrast (levels for contrast)
step 3 of 10
In a separate layer below cow layer make a shadow using black with brush tool and use your opacity for the shadow density
step 4 of 10
Add another layer above cow layer and add some color on cow that matches neon sign
step 5 of 10
add bottle and skew it so it looks like it is leaning on step
step 6 of 10
In a seperate layer below bottle layer add dark shadow using brush tool
step 7 of 10
In another layer type in text then rasterize it
step 8 of 10
In a separate layer below text layer blur it using Gaussian blur
step 9 of 10
It should look like this.
Also add some warm color below the sign on the background image.
step 10 of 10
Finally in a separate layer add to the top of all the layers fill it with a nice warm color and use the opacity for the amount and density of color you want.