While Skype is still mum on the whole official support thing, the homebrew scene is still alive and kicking on filling in any gaps. We reported awhile ago about a small project to bring Skype to Windows Phone and it is progressing rather nicely, considering it's being done by only one developer ('Jefis').
Version v0.8 is rather far from functional but what you see above is this: a side-loaded Windows Phone application called 'Skyper' that connects via proxy to your Skype client on your PC. It is then able to pull down your contact information to display. Right now you can't act on any of the information, or rather the messaging part is not complete. Still, it's an impressive first step in the right direction, but a little technical on setting it up.
The real question though is this: with rumored socket support and confirmed multi-tasking ('Mango"), we think there's a high chance Skype may come to market on Windows Phone this year, but will Skyper beat it to the punch? We'll keep track of both sides.