Yes, you can.
The best way would probably be to get a hardware specialist to download the photos of the main drive of your iMac.
Click the link
You will need to save the pictures on a flash drive, CD, or DVD, in order to load them on an iMac.
Moshi Monsters needs Flash to work and Flash isn't supported on the iPod touch.
Yes, you may have it installed already, if not you will probably have to go to Adobe's web site to find the older software as I don't think it's being updated anymore for 10.4.
Yes
No But U cAn with this website piratebay.com
Sure, just copy them to a CD or Flash Drive.
Sure, just click the icon and then open.
Plug the flash drive into one of the iMac USB ports. An icon will appear on the desktop. Right click the icon and then click open. If it does not appear on the desktop open finder and look for the flash drive on the far left under devices. Click it and it will open.
An icon will appear on the desktop. Double click to open it.
Plug the USB flash drive into your iMac. Wait for the icon for the drive to appear on your desktop. Right click the icon and then click open.