Something

14M     abs-ffmpeg-qscale1.mpg
14M     abs-ffmpeg-qscale2.mpg
9.0M    abs-ffmpeg-qscale3.mpg
7.2M    abs-ffmpeg-qscale4.mpg
5.9M    abs-ffmpeg-qscale5.mpg

for i in {1..5}; do
    ffmpeg -i "/home/robert/abs.mpg" -target ntsc-dvd -qscale $i \
    -b 4000  -ab 224k -ac 2  -r 29.970 -s 352x192 -padtop 24 -padbottom 24 \
    -aspect 4:3 -y "/work/svn/tovid/src/abs-ffmpeg-qscale${i}.mpg"
done