mattboy...
'Schmeltzer' didn't make it, I'm afraid.
I think it's a difference in interpretation of 'all gung-ho'.
The lens-flare filter is such a 'groovy effect' that it gets used and abused by everyone just starting out and exploring their graphics proggy.
It has a 'gee-whiz' factor about it, like much of the early attempts in Bryce and similar.
The new person goes 'wow'...the old hand goes 'Dear God, not again'.
Walls submitted to Wincustomize.com are 'moderated', which means that not every wall is accepted. In fact, only about 10% are accepted at best.
Don't be discouraged, just keep at it...