User blog:Iamchangingmynamesopeoplecanttrackme/Templates

On our wikia we have Userboxes, I believe Wikipedia has these too. I was wondering if anyone knew how to make these userboxes, and if so, can you please teach me? I want to make one but they always end up WAY to big. Here is an example of some userboxes:  http://minecraftpocketedition.wikia.com/wiki/User:The_Deranged_Umbreon Under the section, Userboxes.