Gas Pictures
Gas Mask Horror pictures - 
Las Vegas pictures - Viva Las Vegas
Gas Mask on Statue of Liberty pictures - hope you like it.
Gas X pictures - Don't deny it, you've all leaned over like this. 
Siamese Twins Degas pictures - / ..i wouldn't be surprised if that was on Ripley's Believe it or not / She looks like Cortney Love. Same size too 
Gas Mask Dress pictures - 
Dali Degas DaWomen pictures - Dali's The Persistence of Memory. Degas's Spartan Girls Challenging Boys and Semiramis Building Babylon Commisioned by Ellen DeGeneres
The Gas Guys pictures - guys giving away money for gas / fix your link it has the whole page offset / embed the code, look at the contest directions / Thanks for fixing the link. I would add some shadown from the left guy. Chewbacca looks a bit too vertically stretched somehow
Fiona Apple Appearing in Las Vegas pictures - 
Gas Mask on Mars pictures - Scientists speculate this debris field may be several thousands of years old.