Once again, a web search will answer your question. I'd start here
http://webp.codeplex.com/>Google has defined a new way for image format with their new WebP format. Giants of the Internet have already begun to use or make plans to negotiate with that new format. But, if it is that new, what kind of development environment supports it? I mean, what do we have to do to have that support in .NET?
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer