ffmpeg -i 263.mov -vcodec flv -r 28 -b 96000 -ab 64 -acodec libfaac -ac 1 -ar 44100 263.flv

FFmpeg version SVN-r0.5.1-4:0.5.1-1ubuntu1.2, Copyright (c) 2000-2009 Fabrice Bellard, et al.
  configuration: --extra-version=4:0.5.1-1ubuntu1.2 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --disable-stripping --disable-vhook --enable-runtime-cpudetect --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --enable-shared --disable-static
  libavutil     49.15. 0 / 49.15. 0
  libavcodec    52.20. 1 / 52.20. 1
  libavformat   52.31. 0 / 52.31. 0
  libavdevice   52. 1. 0 / 52. 1. 0
  libavfilter    0. 4. 0 /  0. 4. 0
  libswscale     0. 7. 1 /  0. 7. 1
  libpostproc   51. 2. 0 / 51. 2. 0
  built on Sep 16 2011 17:08:44, gcc: 4.4.3
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xed3260]multiple edit list entries, a/v desync might occur, patch welcome

Seems stream 1 codec frame rate differs from container frame rate: 1200.00 (1200/1) -> 15.00 (15/1)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '263.mov':
  Duration: 00:00:07.29, start: 0.000000, bitrate: 274 kb/s
    Stream #0.0(und): Audio: aac, 44100 Hz, stereo, s16
    Stream #0.1(und): Video: h264, yuv420p, 640x480, PAR 1:1 DAR 4:3, 15 tbr, 600 tbn, 1200 tbc
WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s
Unknown encoder 'libfaac'