Here's a group of cards I made for a Pick-a-Theme Swap, where the players all choose their own theme and you make a personalised card. These were altered playing cards, as well, so we had a specific suit and number requested, along with the theme. The card above was made for a vintage garden theme.
This one was for a mushroom/gnome theme.
Here, it's a sun with a quote theme, I think.
And finally, a zebra with a sunflower theme.