We have some great tips in this site where you can make your own feeders to attract birds to your bird feeding station
. These work great but if you want to get a more natural-looking bird photograph, you probably don't want to have it perched on a feeder.
A simple solution you might want to try is to secure a few twigs near the food source. Be sure the background is appropriate. You don't want a fence post or someone's car there.