Source: psd.tutsplus.com By James Davies
Applying texture to a flat surface, or flatly applying a texture across a whole image (as a means to age it or degrade it) is simple stuff. Realistically applying a texture to an uneven surface is much more hands-on (more so than simply overlaying a texture and changing the Blending mode).
Video Tutorial
Our video editor Gavin Steele has created this video tutorial to compliment this text + image tutorial.
Step 1
Job number one, as ever, is pooling your assets together. I got the man from iStockphoto here and the tree bark (courtesy of K. Tuck) from stock.xchng here.
Step 2
Cut out the face using the Pen tool (set to Paths not Shape Layers). Cut and paste it into your blank canvas (1562 pixels by 1172 pixels at 300dpi). Open up the bark image, and import it into your working document. Resize and rotate the document as in the screengrab.
Step 3
Use the Clone Stamp tool to fill in the rest of the texture. Avoid easily recognizable repetitions in the texture like the ones circled. Clone them out. I used a 200 pixel, soft-edged brush to do this
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