Thanks a Lot! To your question About the Image, It Looks Great but as i mentioned earlier the Social Media Buttons need to be at the right and the close button and box mark should be at the Left. Other than that it looks Great! (also Its funny seeing the New translations on 16.04)
EDIT: i noticed that the "Ubuntu MATE" name is flipped instead it shows as "MATE UBUNTU" in your picture.
About the Split tags. Yes that has made it a challenge to translate. Not just in terms of Grammar rules and so forth. but its also about Context. Often i find myself questioning a certain word and it's position and it's context. but over time i fixed some the mistakes made.
I really Appreciate your answer and Hope that the issue will be Resolved soon, Until then i'll Keep Making Translations for the 'Welcome' Program. And once that is done. i'll take a much active part in Translating the MATE desktop aswell! (also is the Installation setup part of regular Ubuntu Or MATE? Since the Translation there is Horrible they turned "copying files..." in to "files being copied..." how unfortunate!)