Yeah that's the only way the analog stick can be mapped to the IR cursor currently.
Sometime, I will probably change it so you can have relative IR movement from analog sticks, which is probably what you want.
the problem is that the analogic stick return to center, and the ir cursor go also to center, don't remain on last position
can you add this important feauture?

please there are news about this? is very important
It's not so important.

I like it better the way it is now, but I'll add an option eventually, idk when.
You can check the svn commit messages to see when there are changes to the wiimote plugin:
http://code.google.com/p/dolphin-emu/source/list
well, for the people like me that don't have the wiimote and use a gamepad, for games like smg or zelda make the control more easy