Regardless of whether you're Malaysian and what religion you uphold, there's nothing wrong with taking nude pictures of yourself.

Should we be worried after having nude pics done?Some people say it's an art
The act of Photography is the work of art. Taking nude pictures doesn't count as an art.

Guys, what do you think if your gal posed nude?
For magazines/movies/advertisement? Well, it is against the law in Malaysia for doing so.