The boy's rendition of his late father's painting was an absolute monstrosity. It was unveiled right beside the old man's grave to a crowd of dishevelled bystanders, the ladies holding their billowing skirts down and the men scratching at their unkempt beards. It wasn't a particularly sacrilegious artwork, but the crowd would say otherwise. Hands jumped to mouths to keep a scream bottled in, eyes widened to the point of tearing. They'd never seen something quite like it.
The moral or lesson is to never give up in you dreams or goals! hope it helps!
An allusion. Religious allusion to be more specific.