- choose magic wand tool (W)
- set tolerence = 1 then click on desired area
- to preserve text, choose lasso tool (L) then
- click on “add to selection”and
- click, drag & let go around a label to enlarge your selection
- choose PaintBrush tool (B)
- select desired brush size
- set painting mode = multiply {to preserve text}
- paint with cursor
- select è deselect (Ctrl+D) when done
Ø Source = http://www.youtube.com/watch?v=wMsmeaWx78Y