To make you need to stick to what you want to express for the audience. How to make the audience watch that film again and again and again?

Make the audience feel passion, because if there is no passion , then why make the film?

http://www.studentfilmmakers.com/magazine/SF2008_September.pdf

Interesting question. There happens to be an article, chock full of tips, about this subject in the September '08 Edition of StudentFilmmakers Magazine. It's called:

7 Sources of Money for Your Short Films and Videos
Fundraising Suggestions and Tips for Student Films

BELOW IS A LINK TO THE PDF FOR THAT ISSUE

http://www.studentfilmmakers.com/magazine/SF2008_September.pdf