open them with photoshop right click teh background layer and make a duplicate then go to Layer > layer style > blending options and check "texture under bevel and emboss. click on texture word where u checked it than select "tiles-smooth" (a little window should pop up with name. iits the 3rd from bottom and change scale to 9 (maybe a little lower) then click ok than right click background layer and "merge Visible and save.
dunno if thats a good enough digital look. but to em it is.