Go to the DCFCPUG.ORG site
Under Member portal, log in
Under Meetings tab, you will find the instructions.
Two choices: Use the manual discount at the eventbrite event site link (found under the main menu, at the Upcoming Events section (left pane of site). This is the long version.
Or just click the red DISCOUNT EXPRESS LINK (June) or JULY DISCOUNT Express Link
These two links have the code embedded for easy access to the free entry for the event.
June – AJA and Autodesk (Smoke on Mac 2012 edition) @ Resolution Post, Fairfax, VA
July – GenArts, Visual Effects – the Hollywood favorite for effects @ Capital One Bank – Mark Leisher Productions offices (upper floor), Bethesda, MD (nearest Metro is Bethesda on the RED line)