You can change icons manually if you want different icons for different file types. Either via registry or Windows Explorer (if Windows XP or 2000).
It's not you it's the negligence of Windows for keeping such a TEDIOUS method even when wanting to assign a batch amount of icons file extensions.
Currently VLC doesn't have it's own proper file icons (
a.k.a mime-type icons)... I was previously pushing for the release of my icons in the Windows & Linux VLC builds but since have lost little interest.... I will get back on this subject and come up with a final fix for the last icons I posted before submitting them to the VLC mailing list as a proposal.
Meanwhile there is a lovely new Windows app called
Assox (I find it so brilliant to use, minimal and portable app). Before Assox there were virtually no apps on Windows that can properly configure file associations with settings. Assox just let you custom assign icons to any applications with many settings/variables, supports Vista and Win 7 too
When you press the 'Settings' button on Assox it will open the assox.ini file with your own text editor and this ini file is always made in the apps same folder
The 1.1 beta of Assox, I believe, now supports user's adding bracketed ext's in the description of each file type e.g. VLC media file (.wma) , so the "(.wma)" etc etc individual for each. Sorry for the extra info, I dont develop or work for Assox only have become a keen user.
If some or all of Assox's code (if C or C++) was made open-source then it's capabilities can be included in the currently crappy file associator in VLC