How do you give a poster a rough texture to give it a professional look for framing?

I saw some posters at Blockbuster, some ordinary posters of popular movies and scenes and it seems like clear sand was plastered over the poster to give it a rough professional look. They then had an ordinary wooden frame around the poster and slapped a $40 price tag on it. Now I know there's an easy way of making something of your own like this MUCH cheaper and with a picture you want. Does anyone know the technique?How do you give a poster a rough texture to give it a professional look for framing?
There are glazes that you can buy that are textured. Look in scrapbooking supply shops, they usually have things like this.... also, check something like a Michael's or Dick Blick.





http://www.dickblick.com/How do you give a poster a rough texture to give it a professional look for framing?
This is not exactly what you asked, but check out Mpix.com's print on canvas on a stretcher frame. A 20x30 poster of YOUR image costs less than $60 including shipping. Smaller sizes cost less. The thing is actually printed on canvas so the surface has a lot of texture.





http://www.mpix.com/productsinfo.aspx?pr鈥?/a>





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