I have an iPod Touch 2G that is fairly messed up and both the power button and home buttons are currently not working properly which makes taking screenshots much harder than normal in iPhone firmware 2.X and 3.X. If you have installed Cydia however on your iPhone or iPod Touch then you can launch the screen capture from the command line without issue. Once you have taken a screen capture you can then email the photos to yourself or SCP (Secure Copy) them to your computer. To launch the iPhone screen capture utility from the command line follow the directions below.
I have a second generation iPod Touch that is out of warranty and the power button is broken. Figuring out how to get the Touch into DFU mode was not easy as there are numerous hints out there at how to do this but most say things will break if you are running firmware 3.0+.
I recently got into some trouble while playing around with my iPod Touch 2G in which I thought the device was bricked. It was not recognized when plugged into the USB port on a Windows XP computer and it appeared no matter what I did it was not able to power on. When restoring some firmware onto the iPod Touch 2G the device never came back from a reboot. Even worse yet was the fact that the power button was not fully operational so I was never sure if I was actually getting the correct button press to put the device into DFU mode. Below are some tips that could assist you to recover the device from this step.