http://tweakingwp.com Sometimes your mouse pointer/cursor is too small when you are doing video screen captures. So here is how you change the size of your cursor.
This is for MAC OS X
Step 1. Click on the small apple logo on the upper left side of your screen.
Step 2. Click on "System Preferences"
Step 3. Click on the "Accessibility" tab.
Step 4. See where it says "Cursor Size" adjust as needed.