if you want decorating tips for Thanksgiving, and any other holiday for that matter, one of the best magazines to turn to is the home and family magazine subscription.
Decorating for the holidays can be a lot of fun, and Thanksgiving is no exception. You can find some great ideas to start you off at http://rgraf.hubpages.com/hub/Free-and-Inexpensive-Thanksgiving-Decorating-Ideas, http://www.bhg.com/thanksgiving/indoor-decorating/, and http://www.theholidayspot.com/thanksgiving/decorations/.
Some ideas for Thanksgiving decorations include candles and fall flowers. You can get ideas at http://www.marthastewart.com/photogallery/thanksgiving-tables-for-kids and http://www.countryliving.com/cooking/entertaining/thanksgiving-table-settings-1108
When looking for amazing and impressive Thanksgiving decorations try Kohls and Macy's. You can get some ideas at http://interiordec.about.com/od/thanksgivin1/a/hol_fallthanksg.htm
I would suggest looking at William Sonoma or Michaels for some great ideas on Thanksgiving settings and decorations. They have an amazing selection that is sure to make your home look fabulous.
Visit www.HGTV.com. They really have a lot of good and clever ideas for holiday home decorations. They can also provide you with some fun ideas for making decorations for halloween as well.
It depends on what costumes and decorations you would like to create. You can find some ideas for costumes here: http://costumeideazone.com/. As for decorations, the following site has a lot of great ideas: http://tlc.howstuffworks.com/family/halloween-decorations.htm.
Ideas for Thanksgiving centerpieces can be found at several retailers especially craft store. Different ideas are a floral centerpiece using warm fall tones, a cornucopia arrangement, or just an old fashioned ceramic turkey figurine.
There are many sites to give you cheap ideas. Some of them are www.halloween-website.com/decorating.html and www.bhg.com/halloween/outdoor-decorations/
Some sites to find Christmas ideas for decorating are allthingschristmas.com and diynetwork.com. They give decor ideas and tell you where you can purchase them.
Most of your local department stores during the specific season you are in will carry decorations of that season. For example if it is Thanksgiving, you will find Turkey decorations. On the internet you can find some good websites that supply all types of decorations. A site like Party city dot com has a good selection.
There are forums on the internet where you can get some ideas on how to build a deck. you can go to goodhousekeeping.com to get house decorations ideas.
Halloween and Thanksgiving are often interchangeable. Some of the more generic decorations include the horn-of-plenty, pumpkins and gourds and turkeys.