Activity village is a good source for children's Christmas crafts. One of the best places to find this is at Dollywood when they have their Christmas festival.
You could try http://www.enchantedlearning.com/crafts/christmas/ or http://crafts.kaboose.com/holidays/christmas/christmas-crafts.html or even http://www.allfreecrafts.com/christmas/index.shtml
You can find examples of children's Christmas crafts at the Activity Village UK website. Once on the page, click on "Holidays" in the top navigation menu, click on "Christmas" and finally click on "Christmas Crafts" to bring up the crafts.
A good reference book for ideas on Christmas craft projects for toddlers is
A good start is to watch how to video's on youtube.
Some good Christmas craft ideas for toddlers include: coloring their own Christmas cards, making felt Christmas ornaments, or decorating their own Christmas cookies. This YouTube video shows some good crafts for toddlers: http://www.youtube.com/watch?v=AyY0DVh43o4
When buying Christmas decorations, a good place to start would be your local craft store. Large chain stores, like Michael's or JoAnn's offer a large variety of holiday crafts and decorations and a good price.
If you are looking for good places to find Halloween crafts, the best place to look on is crafts.kaboose.com/holidays/halloween/
make small Christmas crafts
You can find information online at Martha Stewart's website. She does a lot of arts and crafts projects. You can also check out Hobby lobby or Do it yourself shops.
In order to find a good christma card decoration to add to you cards to make them special you should either try an actualy christmas store or you could also try your local arts and crafts store around christmas time.
Ideas for Christmas crafts can be found at retailers like Michaels, Wal-Mart, Costco, Target Store Canada. You can also check garage sales, or flea market on weekends.