If you are taking an advanced postgraduate course in session 2008-2009, you should approach the department of the University responsible for your proposed course for advice about funding. They will be able to advise you of the availability of awards from Research Councils and the application procedure necessary to receive one. They may also know of other possible sources of assistance depending on the field of study.
Below is a list of the relevant Research Councils:
The Arts and Humanities Research Board
The Particle Physics and Astronomy Research Council
The Engineering and Physical Sciences Research Council
The Natural Environment Research Council
The Economic and Social Research Council