It’s not hard to find images to use online – just use an image search. This works well, but it’s worth noting that doing so isn’t necessarily legal. Most of the images you can find this way are owned by their original creators. This likely doesn’t matter if you’re only using something for private use, or even a school assignment, but if you intend to publish a work you need to make sure all rights are cleared.
There it was, inside the program you were already using. Sure, it wasn’t pretty, but you could quickly add a visual highlight to your document or presentation. Even better: everything was rights-cleared, meaning you could use it in your document or PowerPoint presentation without the fear of legal repercussions Confused About Copyright Law? These Online Resources Can Help Confused About Copyright Law? These Online Resources Can Help It's a confusing subject, yes, but it's important that you wrap your head around it. If you're involved in any sort of creative work, these resources will help you do just that. Read More .
If you mean your own artwork, then you'd take a picture of it, upload it to your computer (make sure you know where you're saving it), then select Insert > Picture in Word, browse in the location where you saved the photo, click the picture, and insert. If you mean an image from the internet or something, you can just save it to your computer and basically follow the rest of the steps above.
There has been talk about removing Microsoft Office completely, since OpenOffice and Google has free "equivalent" products. My school district has already removed Microsoft Office from classroom student computers. Only teacher computers and computer lab computers have Microsoft installed. The future of Microsoft Office looks bleak! Their motto must be, "One step forward, two steps back!"