Please use the images of the following sizes (in px) with Blossom Pretty theme.
- Slider Layout 1 : 1920 x 650
- Slider Layout 2 : 500 x 650
- Featured Area Thumbnail: 450 x 300
- Sticky Post Area: 1020 x 435
- Author Bio: 330 x 220
- Blog Thumbnail: 435 x 435
- Single Post with Sidebar: 1020 x 435
- Single Post Full-Width: 1410 x 600