Hi there,
I am an Umbraco developer and interested to work on your project.
I'm just wondering if you want to converting your website?I think the only think you need is updating your document type for home page to accept video and probably a caption. However if the caption changes per image, it would be a bit complicated unless we define a limit for the number of images.
I also checked your website it seems your website uses supersized library for sliding the images, we need to check if it also supports video, otherwise we should somehow change this library.
I look forward to hearing from you.
Best regards,
Mehrdad