Can not find the DLLs!!

Hi, I am new on this list, I am trying to use the libavifile to save 
compressed video from a firewire camera.

I _can_ save UNcompressed video with libavifile, but I can NOT use the 
huffyuv.dll codec.
It gives the following message:
<codec keeper> : Found 8 plugins (/usr/local/lib/avifile-0.7,A:39,V:85)
<codec keeper> : unsupported input format

although the dll is on the right dir /usr/lib/win32 (that has all the 
possible permissions)

Is there something that I should do to enable the dlls? I succesfully 
compiled the last tar.bz2 source from source forge. with configure 
--enable-win32. and fourcc_t codec=fccHFYU

thx for any help.

Luiz.