So, you've managed to design this thing without actually understanding the parts you've used!?

You need the device datasheets - go to the manufacturers' websites, or ask your supplier/distributor.

For pictures, you could try just putting the parts down on the glass of a flatbed scanner - doesn't work with all scanners, so just try it & see.
Here's one I prepared earlier:
http://homepage.ntlworld.com/andrew.ne...tester.htm
(you may need to turn your monitor brightness up).