Double click on the sequence in the Project Panel.
Time to watch some of those help videos methinks.
Here are lots of Tutorials
A "crash course" http://forums.adobe.com/thread/761834
A Video Primer for Premiere http://forums.adobe.com/thread/498251
Premiere Tutorials http://forums.adobe.com/thread/424009
CS5 Premiere Pro Tutorials http://forums.adobe.com/message/2738611
CS5 Tutorials http://bellunevideo.com/tutlist.php
Tutorial HD to SD w/CS4 http://bellunevideo.com/tutorials/CS4_HD2SD/CS4_HD2SD.html
Premiere Pro Wiki http://premierepro.wikia.com/wiki/Main_Page
Color correction http://forums.adobe.com/thread/892861
Photo Scaling for Video http://forums.adobe.com/thread/450798
-Too Large May = Crash http://forums.adobe.com/thread/879967
After Effects Tutorials http://www.videocopilot.net/
Encore Tutorial http://www.precomposed.com/blog/2009/05/encore-tutorial/
And more Encore http://library.creativecow.net/articles/devis_andrew/
Surround Sound http://forums.adobe.com/thread/517372
Just want to mention, I'm new to Premiere Pro as well and I just found this article to be a life-saver! I'm glad it's here, at least, so I didn't have to go through a bunch of training just to solve this one problem.