The event, currently underway and culminating on 31 August 2009, features a Lumacoustics' YrWall linked to technology which allows cards from the bank to be personalised with the user's design.
Lumacoustics's managing director Tim Williams was approached by advertising firm M&C Saatchi to find an alternative use for his product.
The company's links with the bank, which currently allows customers to choose photos for use on their cards, provided an opportunity.
"The images will be uploaded to a large high street bank's website where young people can apply for an account and choose to customise their card. During the event the YrWall team will be on hand to guide and help users as well as offer any creative advice," said M&C Saatchi senior account manager Kirsty Dunsmore.
William's added: "The graffiti wall adds theatre to the promotional activity but, more than this, it really engages the target age group in the brand like never before."
Lumacoustic's YrWall, which featured as a What's Hot product in Event's August issue, has been used at several recent events including the second industry TweetUp at The Brewery.
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