as in special effects such as fire, cloth, dynamics, water simulation or what ? best thing you can do is start by learning the interface and how everythign works in maya, with somthing like special effects you need to know a bit of everything before you start. http://www.learning-maya.com/tutorials.php
SimplyMaya specialises in Maya tutorials. We offer over 1,000 individual Maya training videos, ranging from basic Maya tutorials through to intermediate Maya tutorials. Our tutorials are created by instructors with industry experience and are designed to get you up and running in Maya quickly without making it seem like hard work.