Microsoft Windows screenshot showing perspective transformation using four drag points. 

  Linux Ubuntu screenshot showing a star shaped area selection. The Text Tool is currently selected. 

  Mac Os X screenshot showing curved and straight lines with arrow heads. The Line Tool is currently selected. 

  Microsoft Windows screenshot showing high zoom icon editing. The Colour and Effects Tool with HSB Filter is currently selected. 

  Microsoft Windows screenshot showing the Shape Tool and various shapes. 

  Microsoft Windows screenshot showing animal cut outs overlaid on a background photo. The Area Selection Tool is currently selected.