Add Lightbox Image Gallery

Hi Im looking for someone who can add a lightbox image gallery to my website. I already have one, but it preloads all 50 thumbnail images before it starts working. I need an image gallery which only loads 1 image at a time to reduce loading time. I also have some CSS problems with layout on other pages and some pages need validating to W3C I need someone who is very good at php, html, css, flash and javascript Programmer m ...