I regularly download sketches from at least two sites so I'll have ideas for creating layouts. But the sketches are designed for paper scrappers and don't often translate well to my digital style. Why am I still downloading these sketches? I can't remember the last time I completed a paper 12x12 layout. At least they are free.
At the Horrible Crop last Friday, I was working on a 7 Gypsies envelope book. I got several pages completed, even though I headed for home early. I wasn't using sketches. If you are trying to work with a surface that is 4x6, a layout designed for 12x12 isn't going to do you much good. What I find helps me is a book like "My Creative Companion 2" which has ideas for details to add to a layout. Interesting things to do with embellishments are more useful. A book filled with 12x12 layouts isn't as helpful.