Didn't manage to post last week due to illnesses and other obligations. I did want to upload the first stage of the frog painting before I move on with it. This stage is just a preliminary background which will likely have more done with it before I'm done. I've used (Pebeo) Drawing Gum applied with a brush to block-out the frog and plant material. That way I can just paint in background colors without worrying about going around all the detailed foreground items. If you haven't used liquid masks before, the tip-of-the-day is to saturate your brush with liquid soap (like dish-washing soap) before you use the mask. The brush cleans up so much easier and you don't end up ruining a lot of brushes. I've also found it's best to do the masking stage - do the watercolor - dry it quickly with a hair-dryer - and get that masking fluid off the paper within a day or two. If you leave it on for too long, it gets more difficult to remove.