Take the time to plan a design. Cut out stencils before you spray. As an alternative, cut snowflakes out of white paper and put them on your windows. Stockings always look good , no matter how simple. Try and display them prominently.
Wreaths exude warmth.
I've made them through the years in everything from just yarn to flowers. Look for inexpensive wreaths at Goodwill type stores. You can add your own touches to them to make them look better. Use pinecones around your displays. Leave them plain, or spray the ends white or glue cotton on them.