I made this computer background if you want to use it.
This week is going to be freezing here in Pennsylvania. Some people have the thought that their dog or cat will be fine out because they have fur, that simply is not true. Please keep them indoors. I found this graphic about if you find an animal out in this weather.
If you want to help with any strays in your area, you can make an outdoor shelter. Here are some tutorials. They say not to use blankets but use straw.