There is an entire culture of blinkie collectors and makers on line. When I Googled "Free Blinkies" I found a plethora of sites to check.There are holiday, political, comic, even hobby ones. You can even make your own blinkie on some of the sites.
If you want to catch some blinkies for your sites here are a few that we visited that you can browse for yourself:
Most of them will allow you to copy the HTML code for your blog or web site so you can just paste it in rather than using the right click and “save as” a picture to your computer.