Here are some good babylon 5 short videos. I catorgized them by season.
These movies also have sound so put on some head phones or turn on your speakers.

Season 1

Season 2

Season 3 "Shadow War"

"I III I" "I III I"
Season 3 opening sequance IIIII Shadows attack and leave "IIIII" B5 breaks away from earth

Season 4