Tips for making a good short

An Exciting & Original Idea

Original ideas are not easy to come-by but a good way of avoiding clichéd ideas is to watch lots of other short films, look out for any trends and stay clear of them. Even if your idea isn’t completely original try to look at the subject matter from a different angle or using a different style/technique. If you're struggling for ideas, you could try to find inspiration in your experiences or those of the people that you meet or through the stories that you read in newspapers, magazines and online.

A Strong Script
A good script is key to narrative-based short films and in many ways it’s harder to write a short than a feature because you need to condense your story and develop your characters in a very short space of time. All too often films are let down by weak, overwritten or underdeveloped scripts. Before investing money, time and effort into shooting your film, it’s a good idea to test your script out on friends and strangers (as friends might fear offending you) and get as much feedback as you can. See our filmmaking guide: writing a script for more advice & our related links: writing for scriptwriting organisations, resources and communities. If you write and direct your own films, it’s a good idea to consider where your strengths lie. It’s great if you can do both but if you think you’re stronger at direction/animation then why not consider collaborating with a talented scriptwriter and see what results come of it?
Dog Years by R. Penfold and S. Hearn: A tight and funny script made this film one of the most successful shorts on Film Network.

Good Acting

Unless your friends are actors or demonstrate acting talent, it’s a good idea to avoid casting them in your film. Even one bad actor in a film can really let it down and destroy the viewer’s belief in the reality that your film is seeking to create. There are lots of great actors out there who are willing to work for reduced fees to learn their trade and make a name for themselves. You can find actors through advertising on the message boards of filmmaking communities (see the filmmaking communities section in our related links: filmmaking organisations & communities or via online casting sites such as The Spotlight. For more information on finding cast see our filmmaking guide: cast & crew or see the casting section of our related links: production
Domestic by Suzi Ewing: Rupert Procter is a talented and respected actor who has starred in many successful shorts.

High Production Values

Whilst digital filmmaking has had the positive impact of making the process more accessible and affordable, it’s important to ensure that you still apply the same production values that you would if you were shooting on film with a crew. Many low-budget shorts are let down by poor sound, lighting, camera work and editing and/or by directors who are trying to do it all by themselves without anyone else’s input. Filmmaking is predominantly a collaborative process and it’s much better to find crew who are specialising in these areas who can offer different skills. You can use the message boards of filmmaking communities (see the filmmaking communities section in our related links: filmmaking organisations & communities) to find crew to collaborate with. If you’re new to filmmaking, one of the best ways to learn the skills required is to assist on other people’s films. Also check the message boards for call outs for volunteers from filmmakers. However if you’d like more formal training you can find out about training or film schools in our filmmaking guide: training & development and find links to organisations and resources in our related links: training

Make It Short

As a general rule, the longer your short film is, the harder it is to keep the viewer’s attention. This is especially true of online viewing – for instance on Film Network the average time that a viewer spends watching a film is 4 minutes. Note – exceptions to this rule is documentary, which viewers will often watch for longer. Many festivals don’t accept short films that are over 30 minutes long; a long film will really have to impress the programmers for them to include it in their screening, as it means they will not be able to show so many films in their short film programme. One filmmaker told us about a film he made that was 26 minutes long. He applied for festivals all over the world and was rejected by them all. A year later he re-cut the film to 10 minutes and resubmitted it. His 10-minute cut was shown at numerous festivals worldwide and was broadcast on a digital channel. Very short films, especially romance and comedies, can be popular with distributors and buyers as they are easier to programme and can be sold to multi-platforms e.g. online, mobile, VOD etc.
The End by Tim Clayton and Rob Crowther: A humorous or strong storyline can be conveyed without needing lots of time as displayed in this 90 second short.

Strong Beginning

Most programmers/distributors will be inundated with submissions and so your film has to grab their attention from the very first shot. The harsh reality is that if your film doesn’t pique their interest within the first two minutes, in all likelihood they may not sit through it till the end. Don’t waste time on lengthy introductions and credits – spark their interest in the story as quickly as you can. Credits at the start can distract the viewer (especially if the direction, production and editing are all by the same person!) so leave them out unless you have it written in an agreement with one of your cast. Similarly if your film starts with a long establishing shot where nothing really happens, viewers may switch off before you get to show them your great plot and idea. If the pace of your film is naturally slow and ambling, make the shots as rich and enticing as possible to draw the viewer in. Note – a good editor can really transform a film. If you’re directing and editing your own film you might be too attached to certain shots to know which bits to chop out to make your film a stronger, more coherent piece. In big blockbusters, scenes that have cost thousands or even millions can be chopped if the studio/filmmaker feels that they are not integral to the final edit of the piece.

Avoid Repetition & Punchline Twists

Whilst sometimes a repetitive scene can be used for comedy/dramatic effect (Groundhog Day being a classic example of where this can work), if you are not careful it can end up being repetitive and predictable. Comedy is notoriously difficult to pull off in short films – if you’re looking to make humorous shorts then it’s a good idea to test your idea on an audience (why not post a short clip on a site like YouTube or MySpace and see what feedback you get?) or to cast your film carefully and get a funny actor. Be careful of one-line gag/punchline films. Some shorts can do this to great success (eg watch Le Cheval 2.1, below, which was a massive viral hit) but many often fall flat. If you’ve got a great punchline twist then consider making it short and snappy as viewers might be disappointed if they sit through 7 minutes for one joke at the end, especially if they’ve already seen it coming.
Le Cheval 2.1 by S. Scott-Hayward & A. Kirkland: This short became a massive viral hit.

Exciting New Techniques & Style

Even an average plot can be made intriguing by an exciting new technique or style - whether it be a new kind of animation, camera work or art direction. Try experimenting and developing your own style. Note – having said that, beware of style over substance.

Taken from http://www.bbc.co.uk/dna/filmnetwork/filmmakingguidegoodshort