With this week’s announcement of the new Twitter profiles to include a header image, optimised for iPad and mobile devices, we’ve put together a few of the best designs we’ve seen from who we are following on Twitter… @innocentdrinks @ministryofsound @RWW  @PSFK @boxpark @glueisobar @IGNUK @DHgovuk @DownloadFest @harkable (sorry, couldn’t…