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Project Noah Nature School
We may never resolve a 100% confirmed ID, but compare to this photo of a hatchling Eastern Musk Turtle:
https://www.flickr.com/photos/kaptainkor...
The light dots on the tips of the marginal scutes are consistent, and not a marking I recall for our Graptemys species.
It is a Racer, not a Ratsnake. These do look similar.
It's a Plain-bellied, not Northern, Watersnake.
These are probably Small-mouthed Salamanders (Ambystoma texanum), or possibly young of some other Ambystomid that haven't obtained their adult coloration yet.
The carapace is too tall to be a painted turtle. I'm not sure what choices are in FL, but possibly Yellow-bellied Slider or River Cooter?
Could be Gulf Coast Toad (Incilius nebulifer), too.
Toad (Genus Anaxyrus = Bufo) of some kind. You may have up to four choices at that locality.
http://www.louisianaherps.com/order_anur...
Most definitely NOT a Greenhouse Frog; those aren't native to OK.
Gray Treefrog (Hyla versicolor) or Cope's Gray Treefrog (Hyla chrysoscelis).
Your excellent photo reminds me of a recent discovery about Spotted Salamander larva and algae. It just occurred to me, you might not have heard about this:
http://www.wired.com/wiredscience/2011/0...
http://www.nature.com/news/2010/100730/f...
