Be Inspired {Brushes} by Paula Kesselring http://www.oscraps.com/shop/product.php?productid=46943&cat=718&page=1
Let's Play no 2 - Papers by Vicki Stegall Designs http://www.oscraps.com/shop/product.php?productid=46917&cat=718&page=1
Spring Silhouettes by Maya de Groot http://www.oscraps.com/shop/product.php?productid=46923&cat=718&page=1
Paint 'n' Glitter Clusters [Spring Silhouettes] by Maya de Groot http://www.oscraps.com/shop/product.php?productid=46921&cat=718&page=1

I chose to use these because I think they fit really well together and I love all the brushes.