I don't know if you appreciate level reviews, but here are my thoughts.
1 Year of Alexnico Levels!
Nothing all that interesting. I think there should be a super jump in the area below the cube-shaped platform with the pads on it. Either that or the lower bound should be just below the top of the cube, so falling down there sends you out of bounds. Same with the area connected to the cube-shaped platform with four gravity modifiers. Or, better yet, put something interesting on those big empty surfaces.
The Plank of Doom!
Pretty good, aside from the annoying white fans. I skipped them on the way back using a nuke.
I like how the Easter egg has its own part.
Where are the bounds triggers in these two levels? :p
Whirlobat
The use of triggers here is nice, however I think "gravity well" triggers are designed for smooth transitions like the one near the beginning of Training Wheels and would therefore work better for the gravity changing on curves.
It wasn't clear to me where the player is supposed to go after falling through the square tube. There are multiple opprotunities for clarifications.
The bit with the gyrocopter looks frustrating, but is actually designed very well. I wish the level had more parts like this.
The level got less interesting when it was reduced to a bunch of jumping. Using power ups in combination with gravity-changing hoops would be better. It looks like it's easy to fall off near the end where the last super jump is, which would cause the player to have to go through all that jumping again.
Edit: There's absolutely no indication where the teleport trigger to the Easter egg is, which I think is a bad thing. The destination is also just out of bounds, so I'm not sure it's even possible to get the egg. Since the secret area is just a blank platform, I think it would be better if the egg was simply put where the teleport trigger would be.
Anyway, this level is my favorite out of the three reviewed here. You've done well in making your probably last LE level a good one.
Where's all the decoration?