Kentucky - If you squint really hard, we sorta look like Virginia.
Florida - More Canadian tags than any other state.
Florida - You think you have it bad? We have Dubya’s brother, too!
North Dakota: Have you dug Wall Drug?
Hawaii: Ohayio Gozaimasu!
Pensylvania: The dead deer state.
Illinois: (Chicago) Vote early and vote often
Illinois: (rest of state) Nothing but corn!
Florida—“The Seamy Underbelly State”
New York—“The GET THE FUCK OUTTA MY WAY State”
New Jersey—“We’re Really Not As Bad As You’ve Heard”
California—“For That Schoolgirl Complexion”
surprised we haven’t seen this one yet…
Montana – At least our cows are sane!
Minnesota – My governor can beat up your governor.
HEY! 
Tennessee-- “We’re Moving Boldly Into The 19th Century Even As We Speak.”
Arizona: “The next asshole who says, ‘Yeah, but it’s a dry heat’ will be beaten to death with our bolas.”
Arizona: “Urbanly Sprawling into the 21st Century”
Arizona: “We have stores! And restaurants! And everything! No shit!”
Arizona: “A Circle-K for every half-mile of road by 2005”
Arizona: “More Illinois License Plates than Chicago”
Arizona: “No, I wasn’t born here either.”
IOWA-- Road kill capital of the world
IOWA–Gateway to Nebraska
IOWA-- One big corn field and two interstates
IOWA --Home of 19th Century thinking
IOWA-- You think July is bad, wait until you see January
IOWA-- Even Minnesotans think we’re backwards
IOWA–We’re doing the best we can
IOWA–Our kids don’t live here
(Stealing from David Letterman)
Connecticut - Try Our Thick Creamy Milkshakes
Missouri - home of the corn cob pipe capital of the workd (Washington, MO - pronounced “Wohr-shington”
Missouri - Misery ain’t just how it’s pronounced.
Missouri - We got two baseball and football teams, and a river, and Mark Twain’s home, and . . . . .and. . . . .ah, fuck it!
(Is a not ranty obscenity allowed outside the Pit?)
Missouri - The Show Me (how the heck to get out of here) State.
Illinois - A great place to live, if you know the Daley’s
Minnesota - Practically Canada, but without all those pesky French.
New Jersey: The Garden State, because there’s only one left
New Jersey: We’re not just a suburb of New York! Part of us is a suburb of Philadelphia.
New Jersey: The Statue of Liberty is ours, dammit, and we’re not giving it back!
New Jersey: Don’t be scared, you might actually enjoy yourself.
New Jersey: Your high school football team can beat up our college football team.
Colorado: “Yes, it is very beautiful, now go back home”
Missouri - We’re better than Iowa
Oregon: “We’re the Beaver State. No, not that kind of beaver, you deves.”
Florida: “Turn signals are optional.”
Oregon: It’s pronounced ORY-GUN, dammit!
Oregon: We’re full - go home!
Oregon: We are not a suburb of Seattle!
Oregon: Portland is just as cool as Seattle. Really. How come nobody believes us?
There was a bunch of Oregon greeting cards out a few years ago, but these are the only ones I can remember:
*Oregonians don’t tan in the Summer , they rust.
Last year 635 Oregonians fell off their bicycles, and drowned.*
I have two for my home state …
Maine: We are NOT a Canadian provence.
and
Maine: And you thought the South was the only place to find red-necks.
Minnesota:
Land of 10,000 lakes and 10,000,000,000,000,000,000,000,000 mosquitoes.
Two seasons: Shovel and swat. Or winter and road repair.
Hawaii:
Thank you for spending your money with us! Now go back to the Mainland.
Vermont:
We’re the ones on the left. No! Wait! Yeah, right - the left.
Iowa:
Where the men are men and the sheep are nervous (although I understand this one also applies to WV and SoDak 
).
You can find a list of “New State Mottos” here. It’s from TopFive.com, which is a very funny site.
< hijack >
Yep, that’s local artist Don Bosquet who did that. He’s also got another one that says “Welcome to Rhode Island. Keep your smart remarks to yourself.”
< /hijack >