Lion and previously setup spaces

[phobos]

Hi there guys!
I have a weird issue and I have no clue as to how to solve it!
Before Lion I had set-up some programs to open up in certain spaces. Some on one space others on the second and so on.
Now with Lion there's no way to change that and I'm basically stuck with what I setup forever because there's no way to edit that!
Am I missing something? Is there a way reset the apps I have setup?

I've been trying to find out how to solve this and it's been driving me insane!!

 

[psxguru]

right click the app in the dock > options > assign to

 

[phobos]

many many thanks!
This is a strange place to put this option though right?

Thanks though!