I've seen a lot of people put 1-2 writing samples in their RTs. What's even more common is that people would post samples in a journal in the journals section. Its what I personally do. I think it keeps the RT tidy and I get to post however many samples I want in my journal.
I actually like that idea as well. I read your sample and....
"Tears freely rained from his hazel colored eyes, watering his rosy cheeks like dew on petals. "