Ok I've already tryed using the utillitys given to get a .obj file. I got one out of blender but when I tryed to find it on ZE I couldn't. I WAS looking to open the file as a group under multi-select, but it didn't work. Did I miss a step?

so what is your question? how to convert an skp to obj or how to get an obj ingame? wavefront obj is a universal filetype that can be importand and exported by many modeling applications. however it is more of a transfer-format, you cannot use an .obj as model in battlefront. it only supports .msh.