PointerStick

Virtual Presentation Pointer
PointerStick is a simple, portable presentation tool that turn your mouse cursor into a larger pointer stick. The software is designed to be used with presentations on a large screen, it allows to emphasize desktop activity and makes it easier for viewers to follow the cursor.
You can adjust the size of the pointer, choose from several pointer skins and also switch to your regular mouse pointer via mouse clicks or keyboard hotkey.