Forum:How do you get a sim's portrait in the sims 3 like the ones in the sims wiki?

How do I get those portraits that they have in a sims 3 sim page (like Bella Bachelor, for example) —Preceding unsigned comment added by 24.1.243.239 (talk • contribs) 23:59, December 1, 2014‎ (UTC) - Please sign your comments with ~
 * There's a tutorial of this here.  Nikel  Talk  –  Vote!  11:10, December 2, 2014 (UTC)