i am a BIG halo fan, i got a pink air assualt female spartan

: (this is not my pic)

and i want to paint the figure over with paint, i bought this paint from micheals but it dosen't dry, so i used my mom's harden nail polish thing, it dried but it gets scratched off easliy

, does anyone know what paint that dries and stays on halo figures

here is a pic that i did (poor qualities):

ignore the other figures, just the black and red one

also can you tell me a brand, and how good was the paint and did it stay. make sure it is from micheals or any other place in chicago illnois

thanks

i really want to fix it up, because i don't like pink