Great shooting. Mullet seem to always be in motion making them a difficult target. They are great table fare, traditionally smoked here in the states.

In all seriousness, invest in an AMS retriever.  You'll thank everyone who recommends it.  I've got a beautiful scar on my shin where I pulled a plastinock out, thanks to one of those hand-wound drums.  That was when I was 16 or so (I'm 34 now).  I invested in a retriever at the recommendation of the local archery shop guy, and is DEFINITELY worth the money in convenience and safety.  I've had the same one since I was 16.