Step 10. Create a pattern size of 1px x 1 px and fill it with the paint bucket tool. 
              How to make a pattern. Open  a new document of size 3px x 3px and fill it with colour now go to Edit >
              Define pattern.
Step 11. back to the signature image. make a new layer and using the paint bucket tool fill the layer with 
             that pattern. When u select the paint bucket tool it has a option named foreground selected on the top 
             left corner. selct it and u ll see the patern option. Go to filter > distort > waves and use the org 
             setting except for the undefined ares select wrap around.
Step 12. Press Ctrl +F 2 or 3 times then ctrl + shift + u to desaturate the layer and  set blend mode to
             Overlay. 
Gratulations we are now finished with the background of the Signature 
