@Daengbo : Did you try to activate the "Record 3D" option in the Istanbul menu ?
I had the same problem in ubuntu 6.10 (without compiz/beryl) and enabling "Record 3D" allowed me to record smooth screencast ... HIH -- Fickering Video https://launchpad.net/bugs/70830 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
