Upholstered ottomans are great for its versatility and also great for kids because there are no sharp corners to worry about. If you have a small space you can use them for an extra chair for a guest and when you don't have company you can prop your feet on it or use it as a side table.
(top left) The modern pattern on these ottomans is fun and it also can help hide stains. Since there black and white they will go with pretty much anything. Minima
(top right) If you are wanting something more traditional and feminine this ottoman is the one for you. It has a nice tufted top and a timeless decorative print. Brocade Home
(bottom left) This ottoman has clean lines and a solid off white fabric. If your the kind to switch up your colors often than its a good idea and more environmental to stay solid and neutral with main pieces like sofas and chairs. When you get bored of the color scheme all you have to do is buy new pillows and decorative items. A fresh new paint on your existing wood pieces and walls is another great idea to get a new look to your space without spending too much money. West Elm
(bottom right) If your more into leather then this is a nice choice. I truly believe that leather is best done in brown or brown tones. It will stay timeless and look better as it gets distressed. DWR