Stock Free Images, Dreams Time and Foto Search are good resources for birthday-related stock images. The first two websites provide many images for free. Foto Search charges users per download, with prices varying depending on the resolution.
Stock Free Images provides pictures of birthday cakes, candles and women celebrating birthdays. Cards and posters are two more available options. The website also has additional images for members only.
Dreams Time has images of birthday cake slices, streamers, bows, flowers and gift boxes. This site also allows users to sign up for a membership and purchase higher quality photos. Foto Search categorizes images by stock footage, illustrations, clip art or all images. The website's images include birthday confetti, cupcakes and candles.