Snack ideas, cheap and healthy?

I need snack ideas...that are fairly cheap. I'm trying to eat better but its not working out to well. So if anybody has ideas or knows some healthy and fairly inexpensive food choices, let me know please!

Here are 22 portable and healthy snacks that make the list of dietitian's favorites:

Half a peanut butter sandwich on whole-wheat bread
Low-sugar, whole-grain granola bars that have at least 3 grams of fiber
Whole-grain crackers or whole-wheat tortilla with hummus or nut butter
A handful of unsalted or lightly salted dry-roasted nuts
Individual unsweetened applesauce with a few dry-roasted walnuts
Small apple with 2 teaspoons peanut butter or 1 ounce low-fat cheese
Ants on a log -- celery with nut butter, topped with raisins or other dried fruit
Half of a single-serving string cheese with a small piece of fruit or a few whole-grain crackers
4-ounces to 6-ounces of low-fat yogurt or yogurt treat
High-fiber dry cereal with a few nuts or seeds and dried fruit (put this in a baggie for a make-your-own snack pack)
Individual packs of carrots, celery sticks, or apple slices, with a protein source like a tablespoon of nuts, nut butter, or low-fat cheese
Pretzels and low-fat cheese
Whole-wheat cracker sandwiches made with natural nut butters
1 ounce of lean meat and a few whole-grain crackers
3 ounces low-fat or fat-free cottage cheese and a few whole-grain crackers
1 whole graham cracker and 1 teaspoon nut butter
Raw vegetables with 1/4 cup low-fat ranch dressing
100-calorie pack of low-fat popcorn rich in whole grains and fiber
Handful of tortilla chips and salsa
100-calorie ice cream treats
'Skinny' latte (made with low-fat or skim milk)
Small bowl of whole-grain cereal with skim milk or low-fat yogurt