Wikipedia:WikiProject Spaceflight/Userbox/doc

Usage
Add this userbox to your userpage with:. The template will add your userpage to Category:WikiProject Spaceflight participants If you choose to place the userbox on a sub-page of your userpage, and wish to be added to the category, use

Images
By default, the template will randomly display one of nine images representative of spaceflight. You can specify one image to always appear by adding "|image=x" at the end of the template, where x is the number of the image. So to display image 1, use, and so forth. The "custom_image" parameter can be used to specify any other image, by entering its file name without the "File:" prefix. Setting "image=0" will display an animation scrolling through each image.