dvdshrink guide/tutorials
 

here is another one.

i seen some of those, but their for the older 2.3 version not 3.0

Where did you get V3.0?

There is only V2.3 on their web site.

It is there. Here is a link

It's in the Beta Stages, that link doesn't work anymore.

I think they will be getting ready to release the final version soon anyway.