Missing icons?

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http://crunchbanglinux.org – When I choose icons for my desktop-files, I have the issue that a lot of them will not load in Tint2, especially the action-icons. What could cause this? Furthermore, when I look in /usr/share/icons there are a couple of Faenza-Crunchbang folders, but there seems to be very little inside the folders. Can I get these icons anywhere else? As you see here, it`s a working project, but I need icons for my launchers that fit my theme better. As it is now, they are a little distracting. I want the launchbar to stop screaming at me. It`s a mix of icons from everywhere. It works, but could look better: (HowTos)