Content Summary : page 1 – PHOTOSHOP for ARTworks PAINTING & other 2D art  instructions updated for Photoshop CS3 for Mac (updates for PC are forthcoming)   = Command key on Mac / Control key on PC  underlined phrases = sorry, much more detailed instructions needed than provided here 1a – Correct keystoning of rectangles and squares IF distortion is slight: Crop Tool (C)  draw crop, then on Options Bar checkmark ….. Perspective  reposition each crop edge alongside artwork edge  return/enter BUT IF distortion is excessive & you do NOT have Photoshop CS2 or CS3:  Select menu  All ( + A)  Edit menu  Transform  Skew  to rectify right angles and retain proportions do not pull corner fully out, but only halfway out, and then pull other corner halfway in, creating a fulcrum upon the midpoint of the line  enter/return  Select menu  Deselect ( + D)  Crop Tool (C)  crop out the now transparent two corners  enter/return OR IF distortion is excessive & you DO have Photoshop CS2 or CS3:  Filter menu  Distort  Lens Correction  Transform  Vertical Perspective  slide to left