how can i show a liquid in a glass?
3 Answers

I do take it you are talking about Keyshot Alireza?
This is a glass one you will need to know first @ http://keyshot.com/keyshot/quicktips/solid_glass_and_glass.html
and here is a great one for the liquid part of the Glass @
http://blog.keyshot.com/keyshot-liquid-glass-example-tip/

u can fing great Keyshot tutorials here
http://grabcad.com/questions/14tutorials-_-keyshot-tips-step-by-step