Not bad at all for a first try, Lunatyk, very good in fact! Certainly, it was a lot better than my first AMV was! Ah, the innocent, carefree days of Windows Movie Maker, before I inflicted misery on myself with lipsyncing and AviSynth.
I've left a more detailed commentary in an Opinion on your video, but in the meantime while there's a few basic novice errors it's definitely a good foundation to build on. I look forward to your next videos.