This is a list of 4 presentations available on the UGRC today that can be given over a year to a intermediate user group. There are a lot more intermediate content available on the UGRC so if you feel that these presentations don't particularly fit with your group then please search the "Find a Technical Presentation" with the Intermediate filter turned on.
Q1 2012 - Tips and Tricks to Speed LabVIEW Development
Q2 2012 - LabVIEW Performance and Memory Management
Q3 2012 - LabVIEW UI Tips and Tricks Part 1 or Part 2
Q4 2012 - Advanced DAQmx Programming with LabVIEW