I like the first one, but I'm not big on animal prints, trends or no, so I would not wear the others for myself, although there are some great colours involved. If I broke that rule, I would go for #4, because they are more muted and subtle, and because I have my eye open for that particular grouping of colours.
#1 I would wear, because jewel tones are my friends and I would wear it on top of white, black, and/or grey, so the colours would not be excessive. And I like butterflies.
As a general rule, I prefer natural fibres, because of the comfort and breathability. Having said that, I am also super-cheap, and especially if I need a certain colour combination now to work with clothes I have now, I will grab the first candidate I see, so I have something in the short-term, but keep my eyes open for a more worthy replacement for the long-term. I do have some very cheap scarves that have made me very happy nonetheless. But good quality makes me happier, when I can find it at my price point. Hermes is not in my future, I am afraid.
Of course, none of this has anything to do with which ones you should wear. But you asked. ;o)
