This Littlemore theme adds small logo/image to the NavBar:
As the name suggests, this theme I've started adds a little to the Moodle 2.7 "More” theme. Currently it add a little image to the NavBar, which can be uploaded in the theme settings. This is to avoid having a logo or heading beneath the NavBar, which takes up valuable screen space which is needed, for example if you are developing OU drag & drop questions for Tablets (this is also why I've commented out the '$html->heading' in the layout files). I've put Littlemore code on github in case anyone has more time than me to test & develop this Max-Mobile-Screen-Space theme further (e.g. add userpic to TopNav...) https://github.com/jagobrown/moodle-theme_littlemore