I have already posted details of the 'folly' artist commission but there's other opportunities to get involved in this years futuresonic in Manchester.

From 10.futuresonic.com...

EVNT Showcase - The DIY Festival
The EVNT Showcase is a Manchester city-wide programme of affiliated events.
It was launched in 2005, with more than thirty events over one weekend
featuring artists from as far afield as New York, Moscow, Berlin and
Dallas as well as Manchester?s finest home-grown talent. We will be
accepting submissions from 5 April.
Deadline Midday, 22 May 2006

EVNT Competition
Awards of GBP 2,500 and GBP 1,000 are available, as well as three
smaller amounts of GBP 250 for runners up, via the EVNT Competition. We
will be accepting submissions from 5 April.
Deadline Midday, 1 May 2006

A Folly Artist Commission for Futuresonic 2006
Folly is offering a £3,000 artist commission to develop a piece of
online work as part of the 10th Futuresonic festival of electronic
music and media arts. For full artist commission brief and submission
details see www.folly.co.uk or contact Folly Creative Director:
Kathryn Hughes (E: enquiries@folly.co.uk or telephone on T:01524 388550.)
Deadline 10am, 18 April 2006 (to Folly)

SoundNetwork at Futuresonic 2006
SoundNetwork - the new network for artists using sound in the North
West - will be hosting a 3 day exhibition of sound art, experimental
music and research at Futuresonic 2006. We are offering the opportunity
for a number of artists and researchers to exhibit, present or perform
at this event. To submit your work for consideration,
please visit soundnetwork.omweb.org to find out more.
Deadline Midday, 22 May 2006 (to SoundNetwork)