Coloring in the Lines

My goal this week.  Try to get my students to color nicer on their worksheets.  Up to this point I have just let them scribble away, which is fine, I don't mind if they don't stay within the lines, why squash their creativity...right? Last week however, I happened to see some worksheets from one of the other teachers, one who teaches my same students, and her worksheets were colored beautifully.  Why? Because she demands it of her students.  She says she will not even take their sheets if they are colored poorly.  She tells them that their parents will not be happy with sloppy papers.  She calls herself the mean teacher.  But in all honesty, the parents probably will not be happy with anything less than perfection.  The Thai culture is one of beauty and vanity, and everything from your appearance to the the work you do must be pristine.  That is why the teachers are taking the female students out of class in the afternoon to re-braid their hair.  They couldn't possibly hand the children back to their parents looking disheveled. 
I am not trying to win any prizes.  In fact, I cannot imagine what they must think of me with my frizzy hair and no make-up look.  And I do not want to be the mean teacher either. I want my kids to have fun.  But, I do want them to take just a little more pride in the work I am giving them to do.  
This coming week, I am going to present their worksheets like the ones below.  I will try only giving stamps to the papers that are colored nicely and done correctly. 
This may end up being harder than I thought.  I'll let you know how it goes.