Brilliant Visa Services  is aware of requirements of different embassies for passport size pictures. its wrong to assume that being in UK , a different country should follow British standard ! 
Every country have their own spec . USA, Canada , Europe  etc all have their own software and so have different specs and requirements due to different reasons. We make sure your pictures are right in which embassy you are going as we do it on daily basis and keep our knowledge updated for our clients. 
100% approval in any embassy !