Hello everybody,
I share my slackbuilds to install kdenlive 0.7.7.1 on slackware 13.1
here -> http://thewhitebird.org/pub/
Process:
-First copy the text and paste in lame.slackbuild new file.
-Then execute the slackbuil
sh lame.slackbuild
-Install the package
#installpkg lame...
-Idem to xvid, ffmpeg, mlt then kdenlive. the order is very important !
enjoy!
bye

Yes sorry, I will make an page of all my slackbuild soon...
Now it"s good !