UPDATED :
Windows Live for Windows Phone - New Version is out !
http://blogs.technet.com/jribeiro/archive/2010/01/23/windows-live-for-windows-phone-new-version-is-out.aspx
 
New Year, New Version . . .
 
We have  released a new version of Windows Live for Windows Phone, working in Standard or Professional phones.
 
Now  you can stay connected to those that matter most with Windows Live™ for Windows® phone. Windows Live Messenger, Hotmail®, Photos and the “What’s New” feed are now all available on your 6.x Windows® phone. Windows Live™ for Windows® phone (Pro) is for use with a touch phone.

Alternatively you can browse to http://wl.windowsmobile.com using Internet Explorer on your device to install using direct download.

Version: 10.7.0061.0500

Windows Live for Windows® phone (Pro)

Windows Live for Windows® phone (Std)

Kind regards