Indeed we did have one not too long ago but thus far I have no link to find. I'll take a peek and see in case I can track it down.
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Well - had a dig but no luck - but I do seem to recall a pic thread on rigs... maybe someone else can remember more about it and provide a link. There are of course within many threads on rigs, some good selection of pics.
Ahh - sudden inspiration - we placed that in the reference section which was why I couldn't find it at first ...
go here.