We also printed bunny pictures (loads to be found on Google) which were coloured-in and stuck on.
Below, the black flags have been decorated with Easter die cuts (found on eBay) and pom poms.
The chicks we bought ready-made and made them a "nest" with two small paper plates. See here how to do this.
For more Easter ideas click on the Easter button at the top of my Blog - have fun with your groups...