Unless you've got something specific in mind, I'd skip the filters. Photographic lenses are very complex optical systems. Adding another optical element can degrade image quality, and if it's a cheap filter it can introduce some flaws of it's own. If you'll be doing a lot of shooting, where a good portion of the image will be the sky, a Circular Polarizer
can be a nice addition, and in bright light a Neutral Density filter
can be useful. But if you're going to use a filter, make it a good one.