From
to
[1]
crop your base...mine is 96x96 of thee gangster zacky
[2]
duplicate the base and set to hard light, duplicate again and greyscale the layer and set to hue
[3]
paste in
that texture by
colorfilter and set to screen
[4]
paste in
that texture also by
colorfilter and set it to screen
[5]
merge those two textures together and use a brush similar to mine on overlay 100% opacity
[6]
create a new layer and flood fill it with #32a893 and set to lighten at about 20% opacity
[7]
create a new layer and set it to overlay, on that lay add some splatter-ish brushes (use wet edge on them)
[8]
merge all and add some more splatter-ish brushes on normal with wet edges...I used the color #007868
And there you go...now you can add whatever else you want to your icon
comments are nice too x)