My wonderful colleagues at the Health Sciences Library have created these tutorials related to RefWorks and health science databases.  They are great, focused and all under 5 minutes!

RefWorks part 1: Overview
http://www.youtube.com/watch?v=NvobvlpRZAU

RefWorks part 2: Creating Folders
http://www.youtube.com/watch?v=l3Z6zOLO7l0

RefWorks part 3: Finding Full Text
http://www.youtube.com/watch?v=BddM1eNdixg

RefWorks part 4: Creating a Bibliography
http://www.youtube.com/watch?v=cKjGKLlLbEk

RefWorks part 5:  Installing Write-N-Cite
http://www.youtube.com/watch?v=UEwOmqAUP-Q

RefWorks part 6: Using Write-N-Cite
http://www.youtube.com/watch?v=c1NSRNHFnM8

Importing from MEDLINE via PubMed
http://www.youtube.com/watch?v=x0xF0vfiYBc

RefWorks: Importing from PsycINFO
http://www.youtube.com/watch?v=Hj8wP0wvJ5A

RefWorks: Importing from CINAHL
http://www.youtube.com/watch?v=sw_XYaCMWSU