I'm using new video conversion options:
ffmpeg -r 1 -i ~/Music/tmp.avi -f avi -acodec mp2 -ab 64k -ar 22050 -ac 1 -vcodec libx264 -vpre veryfast -b 768k -bt 768k -threads 2 ~/Music/tmp2.avi
Additional bonus, rotate a video 90 degrees with mencoder:
mencoder -vf rotate=1 -o 2010-10-14_09-10-04_980_.3gp -oac pcm -ovc raw 2010-10-14_09-10-04_980.3gp
The "veryfast" preset doesn't come on Ubuntu by default:
coder=1 flags=+loop cmp=+chroma partitions=+parti8x8+parti4x4+partp8x8+partb8x8 me_method=hex subq=4 me_range=16 g=250 keyint_min=25 sc_threshold=40 i_qfactor=0.71 b_strategy=1 qcomp=0.6 qmin=10 qmax=51 qdiff=4 bf=3 refs=2 directpred=1 trellis=1 flags2=+bpyramid-mixed_refs+wpred+dct8x8+fastpskip wpredp=1 rc_lookahead=20