Show the help text of your questions as Sticky notes and Popup windows.
This is great for cases where the screen area needs to be optimized and have long help texts.
Also, you can make sticky notes to be not only on the bottom of the question, but closer to the question body, making help text to be more accesible.
QTip (www.qtip2.com/) is a fantastic JS library for showing tooltips, those yellow pop-up windows. QTip enhances tooltips with a different set of features, as for example, changing color, adding a title…
Limesurvey QTip Plugin allows Limesurvey to use show help text as QTip.