Tropfest 2010 is held today at The Domain in Sydney and is screened live around the country at various sites:

Melbourne: Federation Square
Canberra: Commonwealth Park
Adelaide: Colley Terrace, Glenglg
Perth: Bohemia Outdoor Cinema, Princess May Park
Brisbane: Suncorp Piazza, Southbank
Hobart: Salamanca Place
Surfers Paradise: Circle on Cavill

It you are attending in Sydney, here is the rundown.

Domain:
12:00pm: Grounds Open and TropJr Pre-show activities commence
01:00pm: Trop Jr 2010 Festival Program commences
03:00pm: Movie Extra Tropfest Pre-show Entertainment starts
04:00pm: Live DJ
05:00pm: National satellite link goes live from Sydney to venues nationwide
05:15pm: Live performance from Gibson Artist featuring the Hoodoo Gurus
05:45pm: Red Carpet Opens
06:00pm: MAX TROPSCORE – Winner Announcement
06:20pm: Telstra Mobile Masterpieces – Finalist Screening & Winner Announcement
07:00pm: Official Festival Program & Movie Extra Broadcast commences
07:30pm: Movie Extra Tropfest Finalists – Part 1
08:20pm: Intermission & Live performance from Gibson Artist Stage featuring Whitely
09:00pm: Movie Extra Tropfest Finalists – Part 2
09:55pm: Judging Timeout
10:15pm: Awards Ceremony & 2011 TSI Announcement

The event will finish at approximately 11:00pm.

More info on the official website.

It will also air on Movie Extra, hosted by Adam Hills and Alan Brough from 7pm.

Another package is expected to air in the near future on Nine.