Hi,
> melt renders jpeg files incorrectly (red color faults, no green or
> blue). This is visible in kdenlive (0.8-4 AMD64 from Wheezy) when
> putting transitions on jpg images and it is even visible by simple
> calling "melt anyImage.jpg" from command line (while ffplay
> anyImage.jpg looks good).
Could you try the new mlt package 0.7.2+git20110530-0.0 in unstable ?