Well first sit back and think. 'Do I want to get my film into a festival in Brussels?,' if the answer is yes...
Step 1: SUBMIT IT. (Oh wait have you never made a film?) Then backtrack to...
Step 1A: MAKE A FILM (This is the fun part. Gather people, at least one camera, and a general sense of spacial awareness. Make sure your batteries are charged and there is a storage device whether it be SD Card, Mini DV tape, whatever you are recording to.)
Pro tip: Think big but don't drag your feet. This thing has got to get done.
If you need to put together a crafty lighting kit, like the one I did for my film... check out the video embedded at the bottom of the page.
Video embedded at bottom of page: