Quote Originally Posted by Knave
Which would be more common to say?
Я её люблю или Я люблю её?
Я тебе покажу или Я покажу тебе?
I come by bus?
Я её люблю and Я люблю её are both correct.
But if you want to emphasize that fact that you really LOVE her you can (and must) say Я люблю её!

Concerning Я тебе покажу and Я покажу тебе :
If you want to show something you can say both too, the second version is emphasized on the word покажу. Like it's my responsibility to show you, or you were asked to show something or so long.
But use it carefully, sometimes it means "I'll show you" in sense you are in rage or somebody bothered you alot.