inside a jar tutorial

[fishstorm]

Is it possible one of you brilliant people has a tutorial for making things appear as if they are in a jar or bottle ? I hope so !!

[123456789]

How about this? I guess you could build it into any shape you like. If the 'behind glass' aspect is what's important, this could help.
glassy orb (http://www.photoshopcafe.com/tutorials/orbs/orbs.htm)