I was working in the hot sun, with dust and paint specks flying everywhere, stepping on giant gooey gobs of paint that I'd scraped off by using paint remover. (honeybearlane.com)
Jason decided to try paint remover on it. (lehmanlane.net)
But if you can't gently scrape the little flecks off with a fingernail, you can always try a solvent based paint remover. (makingahouseahome.net)