If you use the GIMP as your image editor here is a free download of a set of 50 brushes created from assorted cursors. This site also has a bunch of tutorials on using the GIMP. Including:
Making Selections
- rectangles + ellipses
- hand-drawn
- fuzzy select
- select by color
- paths and trickiness
- selection options
Transparency
- when image is created
- for one color
- all but a selection
- layered opacity
Using Text
- basic text tool
- freetype plugin
- Xtns>Logos
Misc
- image rotation
- drop shadows
- controlling contrast
- limit colors 1