> I checked out your tip and saw that it does not answer my question most accurate. Actually this was not what I wanted to modify.
> The thing I meant when talking about modifying the TS artillerie cannon was the explosion image (in TS the projectile explodes like an orcabomb) and the firepower. I should have mentioned that earlier, I apologise for the mess with my posts.
> Here is my question in a clearer way :

> I changed the firepower of the following weapons in the Rules.ini : 120mmx and Fireballaucher. They work fine in TS without FS but not in TS with FS. So how can I get these firepower modifications working in FS and how can I give the artillerieprojectile its original explosion image and firepower ?

Okay, first up don't worry about what I said about one post being ignored. I didn't mean you ignored it, I meant that I submitted a response, but it didn't seem to appear on the forum, so I did it again. It was the forum which ignored my first post, not you.

Next, the firepower modifications. Well you should just have to copy across your changes in rules.ini to firestrm.ini

As for the artillery image... well, first of all, you didn't say whether the image works in TS but not in FS, or if it doesn't work in either. If it doesn't work in either, then keep reading... otherwise, I just don't know, sorry.

The artillery unit doesn't even use either of the two weapons you have modified, so unless you have replaced it's weapon, [155mm], with [120mmx] or [fireballlauncher], _or_ you mean a different unit entirely, then I can't help, as I don't know what could have happened.
If you have changed the artillery weapon, then it is the new weapon that uses a different explosive image, and you need to switch back to the original weapon and edit it's properties instead.