Prettify tag pages

Forces a daily, slow-container view for tag pages with certain tags (cartoon, gallery, eye witness, and last bites for now).

## Gallery

Before:

![screen shot 2014-11-24 at 11 43 30](https://cloud.githubusercontent.com/assets/1001642/5164587/601a1fd6-73d1-11e4-82f3-654ddd12efc7.png)

After:

![screen shot 2014-11-24 at 11 43 38](https://cloud.githubusercontent.com/assets/1001642/5164589/64090166-73d1-11e4-8945-6356917752ec.png)

## Eyewitness

Before:

![screen shot 2014-11-24 at 11 43 59](https://cloud.githubusercontent.com/assets/1001642/5164593/793ef6f8-73d1-11e4-8a89-f579941c8258.png)

After:

![screen shot 2014-11-24 at 11 44 05](https://cloud.githubusercontent.com/assets/1001642/5164596/7edca61e-73d1-11e4-801c-67380721be8e.png)

## Last bites

Before:

![screen shot 2014-11-24 at 11 45 32](https://cloud.githubusercontent.com/assets/1001642/5164616/b5e7c9d6-73d1-11e4-8c4b-ccf0ae9c16eb.png)

After:

![screen shot 2014-11-24 at 11 45 48](https://cloud.githubusercontent.com/assets/1001642/5164618/be6f2ab8-73d1-11e4-949f-e31a556c8da5.png)

# Visual bug fix

Also fixes that darn visual bug on fast containers.

Before:

![screen shot 2014-11-24 at 11 58 16](https://cloud.githubusercontent.com/assets/1001642/5164624/d30520e0-73d1-11e4-9e76-357aa3e4a59d.png)

After:

![screen shot 2014-11-24 at 11 58 24](https://cloud.githubusercontent.com/assets/1001642/5164626/d966ff26-73d1-11e4-83ff-7c9e31b4140b.png)