What does it mean if someone gives you props?

Props are really just for show, they really aren't important,

As XxKeithHarkinxX said, they're just for show. People give them out to say thanks, show respect, congratulate you, or just for the hell of it.
You might want to have a little contest with your friends, but that's it really.
One thing I have noticed is that people seem to like giving out picture props the most, but I think they're the quickest ;)

(Cool username por the way)

Mostly just for show, people give them out like a pat on the back. Or if they think you're awesome they might just randomly give you props, or you might earn them from contests.
But no geral, global they're not really that important.

They are not the most important on Fanpop.
Your friends can give you them just for the sake of it, you can win them from contests, or basically they are given just to tell you to keep going on Fanpop.

In rl props are like "kudo" means "Way to go!" A "prop" for "images" means they like your ícone or a picture you showed (some people give aleatório props. I only give aleatório props when someone fãs me.) It just means a tokken that someone likes what you did...It's just a nice gesture. :)

Other than that~ it doesn't do anything.

1. They wish to have a pokemon battle with you.
2. They wish intimate intercourse with you.
3. They wish to give you something utterly worthless that you will find wonderful for some reason even if props are really useless.

i'm not a fã of props, seeing as how i have none. they're extremely useless, so i don't bother keeping them around