$ ffmpeg -i AviStreamMetadataFixDSCF0004.avi -f image2 -vcodec mjpeg -vframes 1 "Frame%03d.jpg"
ffmpeg version N-60241-g3f35a31 Copyright (c) 2000-2014 the FFmpeg developers
  built on Feb 26 2014 16:39:05 with gcc 4.8.1 (GCC)
  configuration: --enable-shared --disable-static --enable-memalign-hack --enable-libmp3lame
  libavutil      52. 63.100 / 52. 63.100
  libavcodec     55. 49.101 / 55. 49.101
  libavformat    55. 28.101 / 55. 28.101
  libavdevice    55.  7.100 / 55.  7.100
  libavfilter     4.  1.101 /  4.  1.101
  libswscale      2.  5.101 /  2.  5.101
  libswresample   0. 17.104 /  0. 17.104
Guessed Channel Layout for  Input Stream #0.1 : mono
Input #0, avi, from 'AviStreamMetadataFixDSCF0004.avi':
  Duration: 00:00:07.00, start: 0.000000, bitrate: 1317 kb/s
    Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p(pc), 320x240, 10 tbr, 10 tbn, 10 tbc
    Metadata:
      maker           : FUJIFILM
      model           : FinePix A500   
      creation_time   : 2006-05-07 01:11:45
      title           : FUJIFILM AVI STREAM 0100
    Stream #0:1: Audio: pcm_u8 ([1][0][0][0] / 0x0001), 8000 Hz, mono, u8, 64 kb/s
Output #0, image2, to 'Frame%03d.jpg':
  Metadata:
    encoder         : Lavf55.28.101
    Stream #0:0: Video: mjpeg, yuvj422p, 320x240, q=2-31, 200 kb/s, 90k tbn, 10 tbc
    Metadata:
      maker           : FUJIFILM
      model           : FinePix A500   
      creation_time   : 2006-05-07 01:11:45
      title           : FUJIFILM AVI STREAM 0100
Stream mapping:
  Stream #0:0 -> #0:0 (mjpeg -> mjpeg)
Press [q] to stop, [?] for help
frame=    1 fps=0.0 q=3.8 Lsize=N/A time=00:00:00.10 bitrate=N/A    
video:13kB audio:0kB subtitle:0 global headers:0kB muxing overhead -100.169049%