Thank you for your tips, UVDan,Miss Nancy, dbigers, bwtr, Tashar59 and danamo!

@bwtr: What I mean "manage" frames is that at any time we could only see time frames for 6 seconds in the sequencer tray. For a 30 min. movie, it seems that we need to move back and forth in sequencer tray for editing frames. That's why it is difficult to manage frames for me.

Even after unexpected power outages? This is incredible! Carrara will know where the rendering  stopped last time and continue?

1. But Rendering as separate images( I think they are in jpeg format for saving disk spaces), will this decrease the quality of a movie? Or should we use bmp for better quality?

2. http://forum.daz3d.com/viewtopic.php?t=74614&highlight=render+node
   With 1 license of Carrara 6 pro, it is said that we could setup max. 5 render nodes to increase the rendering speed? Only 1 pc with licensed C6 and have other 4  pc installed render node program? Is it difficult to setup this kind of render nodes?

Thanks in advance
:)