1. <a href="http://abc123.linkbucks.com"><img src="http://img187.imagevenue.com/loc1115/th_99189_image_122_1115lo.jpg" /></a>
  2.  
  3. <a href="http://img187.imagevenue.com/loc1115/th_99189_image_122_1115lo.jpg"><img src="http://img187.imagevenue.com/loc1115/th_99189_image_122_1115lo.jpg" /></a>
  4.  
  5. <a href="http://img187.imagevenue.com/img.php?image=99189_image_122_1115lo.jpg"><img src="http://img187.imagevenue.com/loc1115/th_99189_image_122_1115lo.jpg" /></a>
  6.  
  7. # 1st step:
  8. search expression: (<a href=")[^"]*("><img src=")([^"]*)"
  9. replacement: 1323"
  10.  
  11. # 2nd step:
  12. search expression: (<a href="[^"]*)/loc[^/]*/th_
  13. replacement: 1/img.php?image=