Embellishments
Rubber Stamps
Use stamps to add designs on top of paper or fabric. You can also use embossing ink and powder to create a raised, stamped surface.
Buttons
Can be used to enhance your art. They can be glued or sewn on.
Ephemera
An item designed for one-time or limited use, ephemera is a popular embellishment to use for altered art. Examples include: cards, clothing tags, ticket stubs, sheet music,...etc.
Assorted Fabric
Fabric, such as lace, can add a nostalgic twist to your art. You can also cut out a piece of clothing you no longer wish to keep and use it towards your altered art.