32 bpp graphics in my own game ?

[mrr]

Hello

I am thinking about making an open source (simulation) game under GPL 2 or 3.
Are all the 32bpp graphics under GPL?
Can I use this graphics in my game ?

[maquinista]

Hello

I am thinking about making an open source (simulation) game under GPL 2 or 3.
Are all the 32bpp graphics under GPL?
Can I use this graphics in my game ?

Some graphics have a GPL license or Creative Commons BY or BY-SA. But your post should be placed in the OTTD graphics forum.