A work in progress. However, I cannot guarantee I will make more APNG signatures.Avast! Gadget SignatureDownload Image
http://imgur.com/NMwRVLinks & Info
Opera and Firefox supports APNG so you should be able to view these animated PNG files without a problem.
Internet Explorer and Chrome do not support this format. Luckily for Chrome users, they can download APNG extension:
Originally posted on MalwareTips.com (not advertising). Mods can remove this line if you want, just posting my original source of information.