Here is a bloom effect that uses a canvas object... Lots of fun...Go ahead and check it out.
[color=#FF0000:159ddwbo]ATTENTION!!! This needs my "Contrast Plus" Effect. You can download it here:[/color:159ddwbo]Download EffectDownload
Note: If you do this, make sure you set the Canvas object to grab the layout BEFORE. After will produce the "Hall of Mirrors" and the full screen will "bloom"