Fiber one cereal
Hostess 100 cal cupcakes
fruits and vegetables
Natures Own bread ( only 45 cal a slice and 5 grams I think in fiber for 2 slices)
Sara Lee 45 cal bread is high as well more expensive but tastes great
some soups like Progressive has 2 grams per serving
Weight Watchers Ice cream bars some have up to 5 grams
peanut butter
English Muffins multigrain light had I think 8
Double Fiber english muffins by Oroweat has 8 as well
Just a few ideas to get you started.