There are some commentaries floating about the web that the WBC will be successful in getting the verdict turned around on constitutional grounds, but...
Snyder and his lawyer were extremely savvy in their lawsuit wording; the suit was filed and won on the basis, not of free speech, but of intentional harm and malice. The jury found WBC intentionally meant to cause harm, emotional suffering and slander during their picketing of Snyder's son's funeral by harrassing incoming mourners, holding up their signs and attempting to disrupt the services.
Verdict Sheet
Since it is going through the appeal process, they can and will continue to do what they've always done. Let's hope the appellate court understands intent and doesn't fall back on the Constitution alone.