> A bit like XCC Mod creator but it only injets sounds,
> it would be a nice way to distribute mods in MIX forms..
> (ie, DeeZire)

You could use XSE CLT or simply only use XMC/L for the sounds.

> People complain about errors activating my mod, wich is packed with Mod creator. (I wonder why, because it works perfectly on my PC)

That's usually caused by an incorrect installation. They should reinstall RA2/YR.