“ Wikipedia:Picture tutorial Navigate to the page on Wikisource where you would like to add the image, and then click "edit". Type [ [File:Image Name Here.jpg|frameless] ] to add the image. It is also possible to align the image: [ [File:Image Name Here.jpg|frameless|center] ] will center the image on the page, 'left' or 'right' allows the text to flow around the image. Image size is a user defined preference. To override the default size, add a value ...|frameless|90px] ] to force a relatively smaller size. ”
