ffmpeg -i gbjaefhbcb156.wmv -acodec mp3 -ar 22050 -ac 1 -ab 32 -f flv -qscale 10 -vol 350 -aspect 4:3 -s 400x300 -b 200 gbjaefhbcb156.flv
FFmpeg version SVN-r8408, Copyright (c) 2000-2007 Fabrice Bellard, et al.
  configuration: --prefix=/usr --incdir=/usr/include/ffmpeg --libdir=/usr/lib --shlibdir=/usr/lib --mandir=/usr/share/man --arch=i386 --extra-cflags=-O2 --enable-libmp3lame --enable-libogg --enable-libtheora --enable-libvorbis --enable-libfaad --enable-libfaac --enable-libgsm --enable-xvid --enable-x264 --enable-liba52 --enable-liba52bin --enable-libdts --disable-static --enable-shared --enable-gpl --disable-debug --disable-opts --disable-strip --enable-amr-wb --enable-amr-nb --enable-amr-if2 --enable-pthreads
  libavutil version: 49.3.0
  libavcodec version: 51.39.0
  libavformat version: 51.11.0
  built on Mar 16 2007 16:12:49, gcc: 4.1.1 20070105 (Red Hat 4.1.1-51)

Seems stream 1 codec frame rate differs from container frame rate: 1000.00 (1000/1) -> 15.00 (15/1)
Input #0, asf, from 'gbjaefhbcb156.wmv':
  Duration: 00:10:16.7, start: 4.857000, bitrate: 28 kb/s
  Stream #0.0: Audio: 0x000a, 22050 Hz, mono, 20 kb/s
  Stream #0.1: Video: MSS2 / 0x3253534D, 192x144, 15.00 fps(r)
PIX_FMT_YUV420P will be used as an intermediate format for rescaling
Output #0, flv, to 'gbjaefhbcb156.flv':
  Stream #0.0: Video: flv, yuv420p, 400x300, q=2-31, 0 kb/s, 15.00 fps(c)
  Stream #0.1: Audio: mp3, 22050 Hz, mono, 0 kb/s
Stream mapping:
  Stream #0.1 -> #0.0
  Stream #0.0 -> #0.1
Unsupported codec (id=0) for input stream #0.0