Thread:Cyrannian/@comment-26181644-20151106014733/@comment-1633483-20151107030201

Go into the Test Drive mode of the Creature Creator and click on the black background. After you take a picture using the "C" key, open the "My Spore Creations" folder in your Documents, click on the "Pictures" folder. Creatures and captains that you have taken a picture of in game should have two identical pictures, one white and one black. Always click the white one. When you upload the white picture on the wiki it automatically has a transparent background. You should be able to crop the image using GIMP, though I use Paint.NET.

For vehicles, take a picture of the model in the Adventure Creator (assuming you have Galactic Adventures) and open the image in GIMP. Crop out the background using the Magic Wand tool so that only the vehicle in question remains.

Good luck!