I have used extra fine sand in paint before.(Sold with the paint stuff in large hardwarestores) I had very uneven plaster walls. I just mixed it in the paint and used a large wallpaper brush, and brushed it on. One room I brushed it on in an "X" shape pattern, another room I did more of a basket weave type pattern, and yet another I did half circle strokes overlapping in every direction. It was very easy, cheap and fun! I got tons of compliments on it. But messy! Use lots of drop clothes, Good luck! ... View related article.