Instead of paying for royalty free stock images, like some dummy, you should take another look in those old family albums. There's a lifetimes of great pictures inside, sunsets, the mountains, interesting buildings.
Look through old photo albums for reference material, things to draw and images you can use in your creative work. Old pictures are a good source of interesting colour palettes too! They all have that film look.
Some thoughts and things; on keeping a small notebooks in an ‘always carry a sketchbook’ - kind of way. Drawing for fun, not so much to study.