You can find CB video tutorials below.
www.youtube.com/playlist?list=PLp0puRITgC7PuyzPsMUECDI46VE7IFSAX
Suggest just starting simple and making a Custom HTML field then trying some substitutions. Even as simple as just adding [username] ([firstname] [lastname]) to a Custom HTML field, which will output the raw database stored values for those fields. Examples are also provided on the substitutions tutorial page that may help.