If you are interested in art journaling here are some of my favorite resources and supplies:
My Pinterest Journaling Page is full of inspiration from around the web. I learn visually so I love soaking in and appreciating other folks beautiful art and journaling.
My two favorite mediums are pen and watercolor. If you're just getting started, pick up an inexpensive set of watercolors like these and a small plastic pallet to mix them in. It may sound complicated if you're used to the little pans of dried watercolor paints (as I was), but a friend showed me how simple and lovely they are to use and the resulting colors are so much more lively and amazing. Get yourself a nice little set of good brushes too. In good weather, when we all load up the van and head out to nature, I sometimes bring along watercolor pencils, do my little doodling or drawing in a small watercolor notebook, and then add water to the page when I return home.
For doodling, I really like this set of Sakura pens. I bought mine at Hobby Lobby (40% coupons are the way to go for art supplies). They haven't dried out and glide beautifully. I always wondered how pen drawings looked so fine and dainty and it really is the gift of having a nice pen in hand.
If you need a boost getting started and are like me with no art lessons under your belt, the book