Tallacman's Tasty Templates are a collection of templates for core and 3rd party blocks that may prove useful*. 

Currently, it offers templates for: 

1. Next Previous Block 
2. Simple Gallery - Instagram-like filters!
3. Content Block - provides multi-column template
4. Page List
5. Image - displays as figure/figcaption and displays the title as the caption

Anyone that leaves a review may suggest improvements or new templates.