Diffilty in finding preloaded trackers for BioTracker 

I have been trying to use the BioTracker software to track the behaviour of a group of zebrafish in a tank. However, I can't seem to find any preloaded tracker or a way to build my own algorithm anywhere. I believe I'm missing something but I can't exactly pinpoint what it is. 

I was hoping you could enlighten me regarding this subject, as the software looks promising. 