DAZ Studio 4
Youtube Content Installation Video
http://www.youtube.com/user/WWWDAZ3DCOM#p/u/6/Dq2pj4JEatE
DAZ Studio 4 Content installation, Eric Merritt
http://docs.daz3d.com/doku.php/public/software/dazstudio/4/userguide/installing_software_plugins_and_content/tutorials/basiccontentinstall/start
DS4 Content Library Basics, Eric Merritt
http://www.youtube.com/watch?v=JLGZeGKqX5I
DAZ Studio 4 Smart Content, Blaine Furner
http://www.youtube.com/watch?v=1riyRFPD3UY
DS4 – My Stuff Tab (Renamed Smart Content), Eric Merritt
http://www.youtube.com/watch?v=G_JlqDxUZ6w
DS4 – My Stuff Tab (Renamed Smart Content), Eric Merritt
http://www.youtube.com/watch?v=dGvbAyRFUtM
You may also find this article helpful:
How to Find Content in the Content Library Pane in DAZ Studio 4.5
DAZ Studio 3
DS3, Carnite
http://www.youtube.com/watch?v=Dq2pj4JEatE
DS3, DAZ Studio Organizing Content, Carnite
http://www.youtube.com/watch?v=8yAPsaq_aPw