1. Undo/Redo
2. Zoom In/Zoom Out
3. Selection Arrow

Click this to select an area of the image to crop, cut, copy, paste, or adjust red eye.
4. Color Picker(Eye Dropper)
5. Red Eye

After an area is selected with the selection arrow, click this to adjust red eye.
6. Crop
7. Text
8. Paint Bucket

This is to paint an area of similiar color.
If you double click you will be given the option to set the tolerance of the tool.
9. Pencil
10. Paint Brush
11. Line
12. Eraser
13. Color Picker(Color Bar)
14. Gamma Adjustment
15. Saturation Adjustment
16. Multiple Page Selector (Tiff)
17. Status Bar

Displays the mode, size, and view of the image.