When you click Tools-Options on the oCam main menu, you'll learn about the settings of the GIF categories.

 
This option is applied when the codec is selected by clicking the codec button in the Ocam main window and selecting "GIF Animation (.GIF)".

Include mouse cursor
-Check whether to include mouse cursor when recording with GIF codec. It is checked by default.

GIF settings-FPS
-Set FPS of GIF animation.

Resize
-This option has the same settings as the video scale option, and applies only to the GIF codec.