**********bettta question***********?

ok so i have a 5 gallon heated and flitered tank it is a hong on the side filter and i have 4 plants in the tank. So i was at walmart and it looks almost i dentical to this a href="http://www.somethingsphishy.com/popup_image.php?pID=705" rel="nofollow"http://www.somethingsphishy.com/popup_im…/a so i saved him :) he is happy and looks healthy he is swimming all around and the water is clear and cycled so what elese should i do? tank mates? maybe 2-3 ADF's or what? thax everyone