Very nice for your first replays. But you need decaps in the replays. You have it in the second but not in the first, ALWAYS get a decap...Unless its a tricking, parkour etc type of replay.
To do boomhits you need speed power and accuracy. Try using Shift + Space. Makes your tf go by one at a time. Very helpful in replays. I use it all the time. Keep working on those replays!!