I use translucent Yupo (usually 104 lb. weight). I paint on the back as well as on the front.
Here's my reference photo for "Lowcountry Sunshine". This scene is from Palmetto Islands County Park (although around here it's just called Palmetto County Park).
|My reference photo.|
And here's a picture of what I painted on the back.....
|It's reversed, of course.|
Here's the completed painting.