Christmas Tree Designs and Decor Ideas for 2010. Top Trends to use for your Holiday Christmas tree for 2010. This year is all about decorating with big bold ornaments. In the past few years we’ve been seeing smaller ornaments on our Christmas trees but big is once again better for 2010. 2010 is also focusing more on using different color palettes. Traditionally for Christmas we see hues of reds, greens, and whites but for 2010 we’ll also be seeing different colored ornaments such as blues, purples, and pinks. Along with...