Magento Image Updates

Hello, We have a few images, etc. that need updated on our website. 1. We have a live chat icon on the bottom right of our website we need updated to a new image we provide. 2. We have a "customize" image we need to change the link to. 3. Install this free extension [login to view URL] This is less than 2 hours of work for a magento coder. You must be able to start within 30 minutes of awarding job. You must be able to document how you changed the images and the code. Thanks btw- website is here: [login to view URL] custom button is here: [login to view URL] extension is here: