Version 4.0 of the awesome image browsing software Irfanview has been released. Some of the changes:

# Improved Vista compatibility
# New display option: Center image in window (Menu: View->Display options)
# Toolbar skin option added (Properties->Toolbar)
More Toolbar skins are available on the IrfanView homepage.
=> Users can send new Toolbar skins by email, Thanks guys!
# New Properties->Video option: Use DirectShow for playing (good for MJPG AVIs)
# New advanced batch option: Auto adjust colors
# "Enhance colors" can be now used on selections

Grab the installer locally from AusGamers.