Right so I'm a geek :) so i shall try and instil some interesting facts into you all!

check out

www.digitalglobe.com (wicked high res. pictures of bagdad/iraq in general, the highest resolution civilain satellite at 0.61m per pixel)

www.noaa.gov (general information about NOAA satellites used to measure a variety of global phenomena - data is FREE!!)

www.nasa.gov (need i say any more??!!)