Hello all, I am new to photography but was lucky enough to get second place in a work related photo comp. Anyway l won $250 and l thought l should buy some gear with it. Any suggestions? I have my camera - Nikon D5100, 18 105 lens and a bag, I'm thinking a tripod, a remote or maybe a polarizer filter??? I know $250 won't buy top of the range gear, but l'm open for suggestions.