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Can you see who flags you the same as you can see who up-votes you?

Yes click on your number of votes (its right next to your $0.00 counter) and it will show you who up voted and who down voted. Up vote will be a + next to the name ad down vote will be - next to the name. Hope that makes sense!

Flagging gardens and plants? What's up with that?

Not sure but I think their crazy is showing. LOL.I feel like I should apologize for showing my tomatoes :)