How to Get from to 2min20 to under one minute ?

[Funnnny]

I managed to get to 30s just using 2-look.
So, practice and don't learn algolrithm too fast.

 

[Bizarro]

Badmephisto's YouTube channel helped me a lot when I first started out, he has videos on f2l and the cross that are very helpful. He also has videos on 2-look OLL and PLL. His videos are definitely worth checking out. Here is his channel---->CLICK

 

[uyneb2000]

do solves

This
Also, practice. That probably helps.