It's highly likely that the portraits would have anti-aliasing. If you could PM me a link to a couple of the original game files so I can take a look for you, that'd be cool. I own the game, but not sure where it is...
Tsunami Bomb - The Simple Truth
We could run away
Leave behind anything paper
Not knowing where we're going to stay
When there's no Mondays
You're part of me, it's so easy to see the simple truth
When I'm in your arms, I feel safe from harm and sorrow too
You're part of me, it's so easy to see the simple truth
But most of all, nothing couldn't be solved when I'm with you