Daniel Salama asked:

>Can anyone point me to the latest Squeak VM 3.8 for Mac OS as well 
>as  the latest 3.8 image file?

http://box1.squeakfoundation.org/files/3.8/

>Also, can I customize an image to my liking under Max OS and then 
>simply copy the image to a linux VM and it would just work?

Yes.