Yeah I don't like it when it forms a picture or perfect pattern, but I like the more organic freeflowing kind of forms.(more like pic 2)
I've seen pics where it doesn't look so muck like a vine but sort of leads you down the hall from the entry. Does that make sense?
It's definitely not everyone's thing, but for a dark entry way it provides an option apart from feature walls or art which may be overbearing.
On a light wall there can be a lot of interest without heaviness by using these I think.
Jo