Zoom Pan & Draw your desktop.

If you want a freeware program to zoom and draw to your desktop then try the ZWI.
ZWI is a Desktop zoom and annotation program. You can use it for presentations and application demonstrations.You can Zoom, Pan and Draw to your Desktop.
- Zoom in and out with the mouse wheel or up and down arrow keys.
- Pan with mouse move.
- Draw by pressing the left mouse button.
- Press Escape or press the right mouse button to clear your Desktop.
- Click Capture button for a new image.
ZWI works on all versions of Windows. You can use it also for drawing on tablet PCs.