Findings:

• Frog Race
• FrOg LeGs (user)
• If a frog had wings, he wouldn't kick his tail when he jumped
• A Boy, a Dog, and a Frog
• Frog experiment joke
• wide-mouthed frog
• leopard frog
• Ecology of the Modern Language Frog
• Hip Hopper the Champion
• Fine as frog's hair
• Sylvie and Bruno: The Frogs' Birthday-Treat
• The Frog King
• Going off like a frog in a sock
• The Quack Frog
• frog gigging
• Corroboree frog
• peaceful frog (user)
• Grace Hopper
• Frog
• frog gig
• The Ocelot saw the Frog, and he smiled a broad and toothy smile
• Fat Frog
• The Frog and the Flea
• Hopper (user)
• Frog and Toad
• the peace frog (user)
• Across the Andes by Frog
• Preparing frog
• Frog Knight (user)
• Hot dog, jumping frog, Albuquerque
• Dennis Hopper
• Kermit the Frog
• The Frog
• Frog Lips (user)
• gastric brooder frogs
• When Frogs Go Bad mp3 (recording)
• The Nodeshell Hopper (superdoc)
• Rain of Frogs
• Greppart Frog
• African dwarf frog
• Chorus of frogs on Koh Lanta
• The boiled frog syndrome
• Hop Frog
• origami frog
• Eric Hopper
• Half Asleep in Frog Pajamas
• dissecting a frog
• Colonel Les Claypool's Fearless Flying Frog Brigade
• Pithing the frog
• Kermit The Frog (user)
• Asteroid Hopper
• Coqui Frog
• frog (user)
• Crazy Frog
• Pacific Tree Frog
• dancing frog
• Kermit the Frog's commencement address at Southampton College
• A Very Sad Story About a Frog and a Banjo
• The Incredible Truth about Ludwig, the Frog and the Cheesecake
• Frog cum
• Frog and Banjo
• The Frog Prince
• The Princess and the Frog
• Marsh Hopper
• The Frogs
• Mr. Frog (user)
• How razorback-jumping frogs can level six piqued gymnasts!
• The Frog and Peach
• The Mouse, the Frog, and the Hawk
• frog on a string
• The Scorpion and the Frog
• How to catch a frog
• frog heads
• Edward Hopper
• bucket of frogs
• Barking Frog
• flying frog
• Watch frogs
• The Frog and the Tiger
• Hopper & Others v. Virgin Blue Airlines Pty Ltd
• The Hares and the Frogs
• Kissing Frogs
• California red-legged frog
• Dissecting Aeschylean and Euripidean Drama vis à vis The Frogs
• In their millions the frog songs seemed to have a beat and a cadence.
• Yellow-Banded Poison Frog
• Frog Fables
• Michigan J. Frog
• Cape rain frog
• Hopper
• The Velvet Frog (user)
• Peace Frog (user)
• Hopper window
• The e2 frog pond gulp
• Robin the Frog
• Tree frog
• Florida Bog Frog
• London Frog Tour
• South African Marsh Frog
• The Frog that Makes the Rain
• Frogged
• The Frog Dissecting Song
• The Day of the Frog
• flying hopper (user)
• The Two Frogs
• Frog Pond
• Tongue of Frog
• Frog juice
• Frog Lake Massacre
• Golden Poison Dart Frog
• Frog Exaggerator
• Hochstetter's frog
• The Weird Resurrection of the Frog that Makes the Rain
• Whitey's Lindy Hoppers
• Chocolate Frogs
• Frog Prince
• Dried Frog Pills
• hopper man (user)
• Charlie's Frog Pond
• North American Wood Frog
• Titicaca frog
• your chances of being killed by a frog are low BUT NEVER ZERO
• Florida Gopher Frog
• poison dart frogs
• Archey's frog
• Pitching the Frog (and the cat, and the penguins, and the seahorse...)
• Space hopper
• The Boys and the Frogs
• frog legs
• Science and the Undead: Frog Dissection at Highland Junior High
• Freddo frog
• Frog march
• The Ass and the Frogs
• Frog blast the vent core!
• When frogs go bad
• frog in a well
• Frog Haiku
• Talking frog
• flower frog
• Hamilton's frog
• Do Frogs Really Sit on Lilypads?
• Doc Hopper (user)
• The Celebrated Jumping Frog of Calaveras County
• Tigerleg Monkey Frog
• The Frogs' Complaint Against the Sun
• Kermit the Frog Hosts Larry King Live
• Hedda Hopper

If you Log in you could create a "Frog hopper" node. If you don't already have an account, you can register here.