Great sites for FREE on-demand learning for librarians:

• WebJunction - hot topics in library land: courses, webinars
• TechSoup - webinars 
• InfoPeople - webinars, courses
• ABLE & SABLE - self-paced library basics 
• OCLC - WorldShare - get training on basic copy cataloging, interlibrary loan, how to share and obtain resources from libraries across the globe 

Recommended for new directors- Public Library Directors 101 - a self-paced 4-part course that serves as an introduction to the essentials of being the top executive at a public library in America.  Need-to-know information for the library director's first week on the job.