Transparent Images

All the images are transparent, but as you can see on [login to view URL] homepage few pixels got left as well as on the dance lessons page w/ the dance images. Whomever fixes one doesn't matter which one and send (it can be watermark, we just want to ensure you can do it) In addition to quoted price will get bid. Need various HQ images prepared transparent background for web. You can view [login to view URL] on home page is one that needs converting as well as some on other pages and some on harddrive we need it to seem as a part of background. Need this done within 24hours. If interested please bid and also know we require a text or word file how you did it with Adobe CS5. Thanks in advance. Total of 15 - 20 pictures will upload zip with images; client is still choosing which images to put on website...