e621's tag-what-you-see policy is a bit more assanine then I imagined, and I can't be bothered tagging literally everything that's applicable to a single image. It's a shame, but after seeing the absurd amount of tags they literally require for everything submitted to them, it occurs to me I will be spending far more time thinking of annoyingly generic required tags like "blue background" or "long grass", then I will actually drawing them.

Sorry to get your hopes up. Next time I'll make sure I research websites before I announce extending my presence to them.