Keyboard Shortcut for Insert Image in TinyMCE

Is it possible to install a keyboard shortcut for Insert-Image option in TinyMCE of Wordpress post editor in Visual Mode?
For example if I press ALT+CTRL+I, I want the insert image option to be opened.

This might be worth a look:

http://wordpress.stackexchange.com/questions/33444/how-to-add-tinymce-keyboard-shortcut