Use stickers (either the clear bubble kind that will let you write the word beneath, and will then emphasize it, or the kind that just have words on them) to make individual words within your journaling stand out. Make them the more important words, like names, or emotions. Think A.A. Milne and Winnie the Pooh. Or, if you're not into stickers, you could do the same thing with stamping the important words.