I can't do much about the size of the earlier episode screencaps but I can redo the opening an ending sequence.
http://img.photobucket.com/albums/v3...ve/pol-op1.jpg
http://img.photobucket.com/albums/v3...ve/pol-op2.jpg
http://img.photobucket.com/albums/v3...ve/pol-op3.jpg
http://img.photobucket.com/albums/v3...ve/pol-op4.jpg
http://img.photobucket.com/albums/v3...ve/pol-op5.jpg
http://img.photobucket.com/albums/v3...ve/pol-op6.jpg