Here's a link that will spark some ideas for you:
The link Ann sent you is great! Make sure you check it out!
Wreath is my #1 inexpensive Christmas decor. The Dollar Tree has metal forms in various shapes (round, stocking, candy cane). Add mesh ribbon to that for decor.
You can cut plywood and paint with exterior paint. I like "ornaments" , "gift boxes", and "stockings".
here are some easy ideas from hometalk:
Here's a post I wrote. Hope it is helpful.