Here you find some screenshots of LMMS 1.0 demonstrating the work with it. If you think there's an important screenshot (yours?) missing, please let us know!
Song editor, triple osc, project notes & mixer
Piano roll & Automation editor
Sample browser, MIDI, Beat & bassline editor
All tabs of the instrument window
LMMS with Zynaddsubfx
LMMS with two VST instruments