Yes. There is www.bronners.com which sells nativity decorations of different sizes. They offer nativity scenes that are life size, and small for inside of your home. They are also handcrafted.
You could try ebay.com or etsy.com. Ebay has a large selection of many items, and Etsy is a handcrafted items website. Between the two you should find what you are looking for.
You can easily find different photo Christmas decorations online. I would check amazon.com for example and search for items like Christmas cookie cutters or Christmas decorations.
When looking to purchase silver Christmas decorations then it may be possible to find the desired silver Christmas decorations on such websites as Amazon and eBay.
There are good examples of fun decorations you can make with your kids online at Enchanted Learning. There are great three dimensional booklet ideas there too.
I would check with a wholesale dealer of Christmas decorations. Not only will you be able to get the best rate, but they will have a wide selections.
if you are looking for christmas ball decorations that are nice for trees or other areas to decorate you should visit walmart around the christmas season to find the best balls.
If you're looking to go for pink Christmas theme, I would recommend checking Bonners in Frankenmuth, MI. They have Christmas decorations in every theme imaginable. I'm positivie you'll find everything you're looking for.
At this url http://www.squidoo.com/christmas-lawn-decorations large inflatable yard decorations can be found. My quest for large inflatable yard decorations wasn't complete until I found what I was looking for here.
Look on Martha Stewart, Southern Living and HGTV websites for lots of ideas for Christmas decorations. You can also try the Amazing Christmas Ideas website. If you just want to purchase the decorations, try a Christmas shop, since they may carry unique decorations.
I would recommend looking at Bonners in Frankenmuth, MI. They specialize in Christmas decorations and will have an incredible variety for you to choose from. You could also check on Oriential Trading.
You can try looking for Christmas decorations created by local people that are not breakable or highly priced from coop operations that sell crafts and handmade things.