Decorating for Christmas can be done DIY if you want to make it a LEGO Christmas. Here's a building guide for tree ornaments and decorations.
LEGO Dog Building Instructions - Frugal Fun For Boys LEGO Dogs - Building Instructions! If you really like arts and crafts you will appreciate this cool site!
Great White Nautilus - from Beautiful Lego, edited by Mike Doyle
For the older kids: Lego Duck Spring Lego Building Idea for Kids
LEGO Seasonal: Easter Duck with Ducklings Set 40030 (Bagged)