Dude, we don't need any more pictures. That's just CO2. Just totally normal bubbles. I'd almost be more concerned if my beer was totally smooth on top. You'll KNOW when it's infected. Go read THIS THREAD
and then come back and tell us what you think.
I can't be arsed to keep up this list of what's in the fermenters, but hey, check out the cool brewery I own!
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