Some ideas for a sampler? And no, I've never visited the USA.
Alabama - Hell, Yes, We Have Electricity. Alaska - 11,623 Eskimos Can't Be Wrong! Arizona - Yes, But It's A Dry Heat. Arkansas - Literacy Ain't Everythang. California - By 30, Our Women Have More Plastic Than Your Honda. Colorado - If You Don't Ski, Don't Bother. Connecticut - Like Massachusetts, only smaller. Delaware - We Really Do Like The Chemicals In Our Water. Florida - Ask Us About Our Grand kids and Our Voting Skills. Georgia - We Put The Fun In Fundamentalist Extremism. Hawaii - Haka Tiki Mou Sha'ami Leeki Toru (Death To Mainland Scum, Leave Your Money) Idaho - More Than Just Potatoes. Well, Okay, We're Not, But The Potatoes Sure Are Real Good Illinois - Please, Don't Pronounce the "S" Indiana - 2 Billion Years Tidal Wave Free Iowa - We Do Amazing Things With Corn Kansas - First Of The Rectangle States Kentucky - Five Million People; Fifteen Last Names Louisiana - We're Not ALL Drunk Cajun Wackos, But That's Our Tourism Campaign. Maine - We're Really Cold, But We Have Cheap Lobster Maryland - If You Can Dream It, We Can Tax It Massachusetts - Our Taxes Are Lower Than Sweden's And Our Senators Are More Corrupt Michigan - First Line Of Defense From The Canadians Minnesota - 10,000 Lakes... And 10 Zillion Mosquitoes Mississippi - Come visit And Feel Better About Your Own State Missouri - Your Federal Flood Relief Tax Dollars At Work Montana - Land Of The Big Sky, The Unabomber, Right-wing Crazies, and Honest Elections Nebraska - Ask About Our State Motto Contest Nevada - Hookers and Poker! New Hampshire - Go Away And Leave Us Alone New Jersey - You Want A ##$%##! Motto? I Got Yer ##$%##! Motto Right here! New Mexico - Lizards Make Excellent Pets New York - You Have The Right To Remain Silent, You Have The Right To An Attorney And No Right To Self Defense! North Carolina - Tobacco Is A Vegetable North Dakota - We Really Are One Of The 50 States! Ohio - At Least We're Not Michigan Oklahoma - Like The Play, But No Singing Oregon - Spotted Owl... It's What's For Dinner Pennsylvania - Cook With Coal Rhode Island - We're Not REALLY An Island South Carolina - Remember The Civil War? Well, We Didn't Actually Surrender, Yet! South Dakota - Closer Than North Dakota Tennessee - Home of the Al Gore Invention Museum Texas - Se Hable Ingles Utah - Our Jesus Is Better Than Your Jesus Vermont - Too liberal for the Kennedys Virginia - Who Says Government Stiffs And Slackjaw Yokels Don't Mix? Washington - Our Governor can out-fraud your Governor! West Virginia - One Big Happy Family... Really! Wisconsin - Come Cut the Cheese! Wyoming - Where Men are Men and the Sheep are Scared. Home of Brokeback Mountain Washington D.C. - The Work-Free Drug Place