Healthy holloween! The pumpkin stems are celery or your could use grapes sliced. I believe and the ghost face is a chocolate chip point first in the banana for the mouth and mini chocolate chips for the eyes. You could use raisins, carob, nuts, dried cherries, olives (for an interesting taste combo?). Use your imagination and have fun.
For an easy centerpiece gather some sticks from the yard and made fun sparkling branches. We first spray painted them black. After they were dry we sprayed them again with glitter glue. Then covered them in glitter (we even made up our own concoction since we could find that perfect blend of black and purple. The finishing touch was the candycorn garlands that we glittered as well.