It looks to me like there's a seam between two different images just east of the runway, so the one on the runway and the one on short final are different times and probably even different days.
That I can recall, I've done four go-arounds at LGA, all directed by the tower. They have a procedure called "shooting the gap," wherein the rely upon minimum spacing to arrive and depart planes. It's not uncommon to not receive your landing clearance until you're over the approach lights, and often time the runway is still occupied (or crossing traffic hasn't crossed) until you're over the numbers. Closest we came to another plane...
We were on the Expressway Visual to 31, 4 miles in trail of a COA 737. They were departing 31, too, which is not a very favorable configuration for them. As usual, they cleared an American 757 for takeoff as COA was on about a 3 mile final. American launches and COA lands. As soon as COA touches down, they clear an AWAC CRJ into position and hold.
We had been speed restricted to "180kts for as long as possible" which we can hold down to about 800AGL and still get configured on time. As the CRJ moves onto the runway, COA rolls past the normal taxiway, requiring him to go through the runway 4 intersection; much longer than usual. As he starts to make the turn onto the taxiway, they clear the CRJ for takeoff. By now we've started to slow down as we're inside a 3 mile final. This all would have worked, except the 737 stopped with his tail well over the hold short line.
We're below 800 feet at this point, and the CRJ has just released his brakes, then lurched to a stop when they saw the 737 wasn't clear. The captain and I turned to each other and one of us said "here we go," as we got ready for what was looking like an impending go-around.
The tower barked at COA to "taxi clear, without delay," when the pilots reported they couldn't move ahead any more because of FOD on the taxiway.
"Continental X, roger, hold position; break, Wisconsin X, cancel takeoff clearence hold position; break, Colgan 4832 (me) go-around, maintain 2,500 feet, fly heading 360, contact departure 120.8, tell them what you're doing, sorry."
We were just above 200 feet when they called the go-around, so we had to climb straight ahead another 200 feet before we could execute the turn, which took us right over the CRJ...not much we could do about it at that point. Everything looked like normal LGA operations with one plane on roll out, one PnH, and one on short short final until COA said they couldn't move.