Download the caps instead of saving them one at a time from the gallery:


1x01 - Trees Made of Glass (1)
1x02 - Trees Made of Glass (2)
1x03 - Blood of the Children
1x04 - The Burning
1x05 - Shock
1x06 - Pulse
1x07 - The Order
1x08 - Revelations
1x09 - Progeny
1x10 - The Crossing
1x11 - Outbreak (a.k.a. Escalation)
1x12 - Vigilante
1x13 - Alienville