Have to agree with shrinkray on the pikmin order point, its not really that difficult of a issue to work on really simply requires conscious effort until it becomes habit. At one point you ran across the stage to attempt a SH DAir with a white pikmin, it made me laugh. Using the different pikmin to their advantages will only help you overall.
Second thing I noticed was a general lack of dodging on both you and your opponents part. It seemed both of you would much rather throw out as many attacks as possible, and if it wasn't possible you'd shield. In general perhaps not a bad idea, however as you'll see most of the dodges you did so correctly you were rewarded for, a number of times as noted with a DSmash. I would suggest developing your dodging some, obviously you still need to attack and shield, but the rolls spot and air dodge all open up options your currently not taking full advantage of. You'll also find that in many cases, particularly when you dodge a move that doesn't necessarily have a large amount of lag down time, that you'll more often connect by quickly jabbing rather than attempting a DSmash. Jab is currently an underrated Olimar move, its I believe Olimar's fastest move, the hitbox isn't small and its knock back is more than enough to re-establish spacing. The range isn't impressive compared to Olimar's moveset, if you play too much Olimar its very easy to consider the range too small to use, but honestly its enough to deal very well with those situations you find yourself and your opponent on top of each other. Also as you pick up dodging more, odds are your opponent(s) will too once they see your success with it, Jab works wonders on dodging opponents as well, and is Olimar's best initial answer against dodging.
TL is a quick opponent so spacing is messy and usually more fluid based on momentum than against slower opponents. However if you can develop a great sense of timing and range on your longer moves (Grab, FSmash, UpB) you already have fairly good shield grabbing it seems, you could suddenly opt to change the pace of the game. By resorting to a defensive, slower, spacing game where your opponent has to move in on you prior to landing an attack, you'll probably catch your opponent off guard for a while, and force them to adjust. Many players are weaker against one type of play style, and the general change in pace allows you to take control of the match to some degree, and once your opponent has settled into that type of game you can change back into the aggressive pressure play style you have naturally. That being said TL is probably one of the hardest to do this with, being both quick and having great projectiles. You'll notice there are times this happens, when each of you are content to throw things back and forth, its just a worthwhile thing to be aware of and possibly manipulate, perhaps you already do and what shown is what you've found to be most effective.
You make great use of a bunch of different moves, preventing any real hit degradation, however at times your choices seemed odd. For instance the first game, first stock, you nearly get the KO with the USmash, a very reliable KO move and my personal favorite. You hadn't used it yet so it was full strength, unfortunately you were 5 or 10% too low to get the kill still. However, after that, you landed a large amount of... non KO moves. At that point your best bet would've likely been a Dsmash, another USmash, or if you have it fairly strong (or a red or purple pikmin) a FAir. You could've gotten the KO much earlier, saving yourself damage allowing you to do more against his next stock before losing your first.
Personally you NAir and DAir more frequently than I believe is optimal, I find those moves to be much more situational in use rather than standard approaches. However they served fairly well for you, effective for maintaining constant pressure, I'm a bit more of a spaced guy myself. However you showed great spacing with the FAir a few times, I remember two of note in the pkmn stadium match that were very good, you jumped forward attacked at the right time and DIed back correctly to prevent any punishment. Perhaps some more of that would aid you in changing the pace and play style mid game if you end up trying to develop that ability.
So far its been slightly nit picky specific and situational, but thats because your playing a great Olimar. Most of the people in this forum could certainly learn a great deal from those videos, thanks for sharing. In particular you play a great pressure Olimar, you demonstrate notable poise in using aerials for recovery, you use many of his moves, shield well. Wish the other videos were available, I feel you probably played better in those just because you remove the frequent DAir use and attempts. Olimar is pretty solid at hindering opponents reseting on the stage if you can't prevent them from grabbing the ledge, but spike attempts typically require you giving up that opportunity in hopes of the spike kill.
Great videos, hope you find something useful in my ramblings above, keep up the good work, and would love to see you around here some more.
@ Shrinkray: Hey promise I'll get to your videos soon =P been meaning too but simply too busy a week
-True