New version of skype is now supporting Windows mobile 5.0 and able to use in landscape mode. Few new languages are added and fixed quite a few bugs as well.

Changelog

change: Windows Mobile 5.0 supported
change: devices with 300+ MHz CPU supported. Skype will not operate on devices with ~300MHz CPU while using an external WiFi card
change: landscape mode support and support for 240x240 and 480x480 screens
change: new languages (Danish, Dutch, Italian, Japanese, Korean, Norwegian, Portuguese Brazil, Russian, Spanish, Swedish)
change: languages updated
feature: automatic language selection depending on regional settings of the device
change: new EULA text
feature: call forwarding icon added
bugfix: authorization stayed pending for receiver
bugfix: incoming calls when rejected were not sent to VM
bugfix: incoming calls were not sent to Voicemail after timeout
bugfix: send Voicemail to SkypeOut user was allowed in log tab
bugfix: impossible to add SkypeIn number from log tab to contact list
bugfix: impossible to remove missed call notification in start menu
bugfix: “Cannot execute Skype.exe” notification appeared when Skype installed on external storage

http://www.skype.com/products/skype/pocketpc/