The following are all ways to preserve your cherished companion's legacy:
Hold a funeral or memorial service
Write a song, poem, or farewell letter
Paint or draw pictures
Make lists of things you'll miss & things you loved about your pet
Create a photo album or scrapbook
Compile photos/video clips into a digital scrapbook or movie
Keep a locket of your pet's fur/hair
Plant a tree or flower in remembrance
Create a personalized headstone, memorial, or stepping stone
Buy a flower that blooms at a significant time of the year
Burn a special candle when thinking about your pet and create a special box for photos and memories
Keep your pet's collar tags on a key-chain or necklace
Write letters or send cards to your pet's veterinarian, groomer, pet sitter, etc.
Write and publish a book about your pet's life
Make a donation to a shelter or rescue in your pet's name
Commission a professional portrait or stuffed animal version of your pet
Transform some of your pet's ashes into a diamond or other jewelry or art