Online items
Giving Thanks - tutorial from Knowledge HoundHow to be Grateful - instructions from eHow
Come, Ye Thankful People Come - music and lyrics from CyberHymnal
Count Your Blessings - music and lyrics from CyberHymnal
Now Thank We All Our God - music and lyrics from CyberHymnal
Items for purchase (all proceeds benefit Eagles' Wings, an orphanage in China)
Books
Thank You Power: Making the Science of Gratitude Work for You
Give Thanks with a Grateful Heart (Songs 4 Worship Devotional)
Thanks!: How Practicing Gratitude Can Make You Happier
Give Thanks
Music
Come, Ye Thankful People, Come
Praise Worship Give Thanks
Give Thanks: The Best of Hosanna Music (Piano/Vocal/Guitar Songbook)
Other resources
Mobius Infinity Bangle Bracelet - Give Thanks Unto The Lord, For His love is everlasting
For children
The Berenstain Bears Give Thanks (Berenstain Bears/Living Lights)
My Thankful Heart (Sweet Hearts)
Give Thanks to the Lord: Celebrating Psalm 92