The street--
Preview
A London high street at night with three lit shop windows
OpenClips · Big Screen Hack London

The Big Sell

Make one ad, 20 to 60 seconds, on OpenClips.
US$1,500 and your ad on the IMAX.
Scroll down the street

Step 1 · Who is it for?

Three ways in. Pick one door.

Every entry is one ad, 20 to 60 seconds long, made on OpenClips. Who it's for is up to you.

SmartyPlants app screen
SmartyPlants app screen
SmartyPlants

Brand challenge 1 · SmartyPlants

From Dragons' Den to the IMAX

Turn SmartyPlants' Dragons' Den pitch into an ad. The recording, the transcript, the app screens and the brand kit are all on their page.

US$500Winner, plus the IMAX
US$250Runner-up

A vertical 9:16 version is required. Any tools are fine; make it on OpenClips and it can win The Big Sell too.

Read the SmartyPlants brief →
The Drive-In logo
The Drive-In

Brand challenge 2 · RecDek House

Launch The Drive-In

Make the launch ad for The Drive-In, RecDek House's new pay-per-view home for independent film. 2D animation, retro and feel-good.

US$500Best ad
16:9Horizontal, for the IMAX

Add text, logos and web addresses in the edit. The logo and palette are on the challenge page.

Read the Drive-In brief →
StoryMachine website: You're the DirectorStoryMachine website: describe what you want, and see it happen
StoryMachine

Brand challenge 3 · StoryMachine

Make StoryMachine's launch video

Show what creative intelligence is and how StoryMachine helps you: test ideas on an audience before you make the full film, and direct by voice or typing, with a team of creative agents and people working together.

US$500Best ad
RealScreens and recordings of StoryMachine

Any tools are fine. The video must feature StoryMachine in action.

$500Brand prize
$1,500The Big Sell
One ad can win up to$0

The double

One ad, two prizes

Make a brand challenge ad on OpenClips and enter it for both. It can win the brand's prize and The Big Sell's US$1,500.

US$500 brand prize + US$1,500 Big Sell = US$2,000 for one ad.

OpenClips

Step 2 · Make it

Make it on OpenClips

  1. Add your product: a photo or a link.
  2. Cast a character, or use yourself.
  3. Pick a model and write your prompt.
  4. Cut it to 20 to 60 seconds.
Live tonight: workshop with the OpenClips team, Friday 9 October, 7.15pm UK, online. The link is in the WhatsApp group.

Sharing your workflow publicly on OpenClips is an optional extra.

Your US$20

Your credits · a gift from OpenClips

Two codes, US$20

$10 $0Code 1$10 $0Code 2

Share your Big Screen Hack card and two OpenClips codes appear on your profile, US$10 each.

  1. Create your OpenClips account. Leave the Referral code box empty.
  2. Open Top-Ups and choose the $10 top-up.
  3. Paste your code into the Promo Code box. The price drops to $0.
  4. Check out, then do it again with code 2.
1 · Your adThe link to your 20 to 60 second ad
2 · Who it's forPartner brand, your brand or made-up
3 · Brand's yesA screenshot or the contract, if it's a real brand
A paper shopping bag

Step 3 · Hand it in

Bag it and submit

Submit on the entry form, tick The Big Sell and say who your ad is for. Tick a brand challenge as well if you made one.

Entries close at midday (UK time) on Sunday 11 October.

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Submit my ad
A packed IMAX auditorium

Friday 16 October · the IMAX

Your ad on the big screen

The winning ads play on the IMAX on premiere night, before the films, with the tools you used credited.

US$1,500The Big Sell
+ brandPrizes on top
See the full rules

On screen: footage from a past Big Screen Hack film.

The Big Sell is the OpenClips advertising track at Big Screen Hack London 2026.

Preview for review.