Thank you a lot, i renamed the Icons folder to a icons folder and am checking the code now.

Thank you very much for this fast help, very good first forum expirience like this ^^

Hey everyone

I am very new to modding, this was my first try on a lazy sunday. Everything worked fine i tought, until i zipped the whole thing and sent it by mail to a friend of mine and for him he couldnt open the mod. He got an Error message like
"cannot find alien-enginge.png" altough it was at ...