Cisco 1140 series access points ship in one of two modes - Autonomous or Lightweight. Converting between these two modes involves uploading the appropriate software into the access point.
Installing Mozilla Firefox on all the computers in your network
Paint.NET is a fantastic image editing tool for windows machines - it is compatible with XP, Vista and Windows 7 (32bit and x64)
Deployment of Microsoft .NET Framework 3.5 SP1, .NET Framework 3.0 SP2 and .NET Framework 2.0 SP2 using Active Directory.
Installing Google Sketchup 8 on all the computers in your network
Installing Google Chrome on all the computers in your network using group policies (GPO)