I don't see why not. Winamp just enumerates the available plug-ins and skins when it starts up. Just be sure to either restore the directories before reinstalling or make sure not to overwrite the ...

Nullsoft Winamp is a fast, flexible, high-fidelity media player for Windows. Winamp supports a wide variety of contemporary and specialized music file formats, including MIDI, MOD, MPEG-1 audio layers ...