Below are links to images from Chris Scotese's web site showing the location of the various plates through time (even into the future!).  If you go to his site (http://www.scotese.com/earth.htm) you'll even find some animations showing the plate motions through time.
 

Precambrian
Cambrian
Ordovician
Silurian
Devonian
Early Carboniferous
Late Carboniferous
Permian
Triassic
Jurassic
Late Jurassic
Cretaceous
K/T extinction
Eocene
Miocene
Last Ice Age
Modern World
Future World
Future +100
Future +250

If you're interested in how temperatures have change with time, a simple graph is shown below:
(again from Chris Scotese's site)