These are available to purchase on my redbubble site - details below!
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Transformers - "Bah Weep"

http://www.redbubble.com/products/configure/7557541-t-shirt
Transformers - "Maccadam's Old Oil House"

http://www.redbubble.com/products/configure/7556778-t-shirt
Transformers - "Bludgeon"

http://www.redbubble.com/products/configure/7517892-t-shirt
Transformers - "Shockwave"

http://www.redbubble.com/products/configure/7556772-t-shirt