Replace the Default Anonymous Avatar on Blogger Comments
Step 1. Go to Dashboard - Template - click on the Edit HTML button
...click anywhere inside the code area and open the template search box by pressing the CTRL + F keys
Step 2. Type or paste this code in the search box, then hit Enter to find it:
</body>Step 3. Just above the </body> tag, add the following code:
<script src='http://code.jquery.com/jquery-latest.js'/>Step 4. Save the changes by clicking on the Save Template button
<script>
$("img[src='http://img1.blogblog.com/img/anon36.png']")
.attr('src', 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQ2Gx1SbQkswfAKyTuIP-jcJUp2Fb-sqRkjeLcugBqk_yFEiB3FOlo1vosYQFNPYbS-UIuRAiBvZDtCgO08YzpI2RWa28V2yFT2IJROMwvNmCXBa0OOUq2kVZyhXXX3ZtUaNBu3iNsk68/s1600/default_avatar.gif')
.ssyby('blank')
</script>
<script src='http://code.jquery.com/jquery-latest.js'/>
<script>
$("img[src='http://img2.blogblog.com/img/b36-rounded.png']")
.attr('src', 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgVWAYo00pLnpinTVHdU_Cp5tbuTUGVlt0-tyOuSVWuK9AdjmHUruwgXz-6rjAIE8SPDaWXwRiiEsSBSRsdWk8gmPaPcOGt86Wu-06H2-NQQEtOTSYXPRaSdynOBHadj3G64OZXho1q1_E/s1600/blogger-user.png')
.ssyby('blank')
</script>
Changing the default avatar
For Anonymous users: Replace the code in red with your image addressFor Blogger users: Replace the URL in blue with your own.
You can choose an avatar from here and then copy the url of it:
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQ2Gx1SbQkswfAKyTuIP-jcJUp2Fb-sqRkjeLcugBqk_yFEiB3FOlo1vosYQFNPYbS-UIuRAiBvZDtCgO08YzpI2RWa28V2yFT2IJROMwvNmCXBa0OOUq2kVZyhXXX3ZtUaNBu3iNsk68/s200/default_avatar.gif

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4QQJHqXOWAoaMV_uD4JRuNJ-caa_LtJK6_-owSNL6Ja3RyYJnthHMuRvhnmD6ZWyhN6PrKMqOYVZ7S44R5CwTIWpIFYGRGivm41SKQEZKvCLYzeCeieUp4e4EM526zQljk-UEmt70Ikw/s1600/facebook.gif

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEheWQ5lj7FEGcgrKCjB5R8Bz6OXK3OGTiiN045RetV5vE7Pj-X-VhPUkCRyHV2I192rtQ1oO4xaQj8Xym-78r1kJ2HKfAdvka0TA-0WdVzXiCjsuAL6vir2UU65GVShXBMrkVfn2N5FPE4/s1600/anonymous3.png

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjc9ZCWx4hWZoiqKFHb2OfXvfsUET06vgS4pY8_HAJGUz8rErf5BlwnwEhNxwixCf19eLxTk3T-fGqk-72CEfK_68L7f0qnZ0MEgBiSr2Ipf2eBLTX1QM2sub-x_EUYKuX642s3Sxg6Olrj/s1600/blogger-user.png
That's it! If you found this trick useful, please consider sharing it.
