2 Simple modifications to AJAX image & Ajax Price Update

We are using AJAX Image Attributes & Ajax Price Update [login to view URL] & [login to view URL],23 We need two simple changes made. 1. make the main product image on [login to view URL] change to the image that is attached to the option when that option is selected from the options drop down box and hide additional images if there is options with images. 2. fix the bug which causes the price to change to £0.00 when you select an option with a price. I will pay $30 to have these two bugs fixed today. The project will be awarded to the freelancer who can do the job in the quickest time.