this page teaches us how to make videos.
Create a Page from Support Center on Vimeo.
Creating Links on Pages from Support Center on Vimeo.
Pages Into Folders from Support Center on Vimeo.
Uploading Files from Support Center on Vimeo.
here is a video which shows you how to upload clipart to your wiki page.
Here are two tutorials that teach you how to make your text wrap around your images. Try both of them!