Four Thirds User

Have used only basic post processing elements so far (exposure, WB, etc) but while looking at Robert Watcher video about layer masks thought it doesn't look so hard. Well it sure would help a lot if one would know how to use the software .
The first one was made with separate layers and lasso not with masks as in video but lets take it step by step and also as read from the thread there he started the same way. Next thing to do in the future is to study how these layer masks work and...