The effects available:
guasian blur: Blurs the object. Radius can be set.
Glow: Makes the object glow. brightness can be changed
Drop Shadow: Adds a shadow like color around the object. Color is changeable.
Twist: Twists the object.
Outline object: outlines object. Color changeable
Frosted glass: scatter radius changeable
Trail: Adds a faint trail of the object. Amount of trail changeable
Crystalize: Crystalizes object