If you want to think more visually, you've gotta practice! One great way to is to take a few minutes everyday to think how you might represent something visually. If you're super organized, you might make a list of things and tackle one every day. Or, you could just choose something that catches your attention or whatever random things pop into your head.
Last October, I worked on traits of creative people - a different trait for each day in October. At the end of the month, I ended up with 31 Spunky Pumpkins! You can check out the whole set in this Flickr Album.