I wouldn't call it "failed". I like how the character leaves "imprints" of itself on the way, like putting your mark on the world and I like the look.
The jump feels ok, but a little static. Have you ever tried something like this:
?I also liked this breakdown of building a better jump:
Well, still a cool coincident, that we both chose the same name for our games, really hope you're not coming after me with some legal action :P