its good in the sense you got the timing bang on, but you cut his arm off, the sky isnt exposed properly, he's centred, the composition is vertical and you cant see the landing or take off. color is off too.
if you want to improve, learn how to use your camera to its full capacity. if its a compact then look into getting a cheap film camera. then think about lighting, compositon, angle etc etc.
that threads a bunch of stupid flatground digital camera pics, this thread should be about the actual phtography part of it with good cameras and shiti think theres already a thread about this