Found the pics on a forum and tried navigating/reading using google translator though didn't translate the options list on the italian fiat site. Could be that the italian enthusiasts have got their own diy going on?

I would love an armrest it would make a big difference don't really like the look of the one on e-bay though.

you can get these armrests for most cars, TBH they do look a wee bit naff in the flesh not worth the money from the ones I have seen, and they do get in the way of stuff too.