Xmas 2k13 Wreath Halo would probably work better than the halo you are currently using. It's a bit larger and has a somewhat feathered look.
Heavenly Awesome is a different items with clouds in the background, so you can choose which one fits better.
The Angelic Pendant stands out as the only sparkly thing on your avatar. Is that intentional? It draws in attention, with being the only thing of that color. You could experiment with that a bit, looking at the other pendants for different colors, or Holy Gauntlets for a larger/more white shine.
Other than that, maybe a bit of gold/yellow to match the hair? I don't think that it would be necessary, but if you could find a yellow bird it might fit what you want.