PowerPC version of Ubuntu.
No Because Its Only For Windows.
Yes, it will work perfectly.
Use Bootcamp, which comes preinstalled on the iMac, to install Windows on your iMac. You can the dual boot to Windows and play any Windows game you want. Know that you will have to install security software on the Windows partition if you go online of do email on that partition.
UB Funkeys appears to be a Windows application. In order to run this on an iMac, you will need to install the compatible Windows OS on your iMac using BootCamp. Simply goto: Finder > Applications > Utilities > BootCamp Utility Follow the prompts and have your Windows XP/Vista install disc handy.
Windows Movie Maker can only be installed on an iMac if you install Windows on a Mac. You can do that with Boot Camp or Parallels. However, your iMac already has excellent movie making software that came pre-installed that is just as good as Movie Maker. It is called iMovie. Open it and give it a try.
Connect the external speaker system to the Audio Output on the rear of the iMac. It is the connection on the far left of the rear of the iMac when you are looking at the rear. The speakers will have to be self powered speakers computer speakers.
No from the factory. You can install one yourself but it is not installed on a new iMac.
--- Update --- This is not possible; you must use a macbook install disc or a generic install disc.
iMac g3's cannot install Leopard 10.5 The hishest it can run is Tiger 10.4
MS Picture It is not available for Mac OS Leopard. To use it on an iMac you will need to install and run the Windows operating system.
You will need to take your iMac apart and replace the hard drive. A better solution is to connect an external hard drive to your Mac via the Firewire port.