I’m surprised that your question hasn’t been answered yet.
I’d like to be able to do this too. While I can hardcode it in, that would defeat the purpose of this plugin. There should be a full width tag that represents a width of 100%.
Minor facepalm, add an empty line-space between the columned section and your full-width section. That solves it.
Double facepalm. That does not solve it.
Yea, I gave up waiting on an answer, and decided not to use the plug-in. Lack of support means it’s not worth my time.
I will address this in the next update v0.6.
For the meanwhile you can add the following in the HTML/TEXT mode of you editor after the last column.
<div class="clear_column"></div>
I already included it in our nightly build version, you can download it on github:
https://github.com/tobiasschutter/column-shortcodes
Feedback is welcome 🙂
Changed url for the github version, download it at: https://github.com/codepress/column-shortcodes