Here is an exellent tutorial for animated sparkles!
http://paintdotnet.forumer.com/viewtopic.php?f=15&t=3070&st=0&sk=t&sd=a&hilit=glitter
Hope I could help!
~Journey
Unfortunatley there arent any tutorials for that, im also not quite clear on what you mean, do you want to make it look like a painting? I can help you with that, use Effects>Artistic>Oil Painting :OilPainting:
Hope I could help.
~Journey