You can also wrap the SVG version and a non-SVG version in separate divs with separate classes and use CSS to determine which one gets shown, e.g.
Code:
@media amzn-mobi {
.kf8only {
display: none;
}
.mobionly {
display: inline;
}
}
@media not amzn-mobi {
.kf8only {
display: inline;
}
.mobionly {
display: none;
}
}