I installed it with Vundle and my .vimrc look contains the following
" Powerline setup
set guifont=DejaVu\ Sans\ Mono\ for\ Powerline\ 9
set laststatus=2
I am using the default Gnome Terminal than comes with Ubuntu 14.04. I don't know if it installed correctly (I followed this Vim as Python IDE tutorial) but it does not look anything like the screenshots.
Here is what is it meant to look like: Official Screenshots
And here is what it actually looks like:
As you can see, zero similarity.