I use paint.net for skinning and I package the scs files using 7zip. You should save skins as dds files with mipmaps enabled and dxt1 or dxt5 depending on whether or not transparency is needed. Scs files are in essence renamed zip files, to the extent zip files can be left with zip compression. There are many tutorials out there, and you can use ets2 studio to package everything together.

Nice and rare truck!

One question though, how exactly did you do all the skinwork? As in, what programs did you use to edit the skins, and to make the .scs files out of it? I've been wanting to try out some skin creating myself, but never quite figured out where to start with it.

Just downloaded it ^^ Thanks alot mate, these look absolutely superb so far!

You can find the finished skins on the SCS forum under Euro Truck Simulator 2 - Mods - Skins - Trucks

Alright, sounds good! I'll be waiting for a release :3

Maybe, the artworks not mine and there are still aspects of the skin bugging me. But yeah, I do intend to release I without the Alker Spedition logos. And thanks :D

Oh wow, lovely skin for the Sisu. Had a go in this truck myself the other day, great drive. Is this your skin? If so, any plans for a release of it?