You can not rate your own submissions. As for the thing about someone rating everything with 1 star. That's why I don't really care for a rating system to begin with. It's always open to abuse. I also have to ask just how you know what someone else is rating your submissions. If someone rates you work lower than it's current rating that will affect it's overall rating but that doesn't neccesarily mean they only rated it one star either. Rating something that's currently 5 stars with a 3 star rating will lower your rating and those 3 stars may very well be just what the rater feels an image deserves. That doesn't make them abusers.

People will rate things what they think they're worth or they'll abuse the system. Either way it can lower your overall rating. One Star being abusive from one person and One Star being an honest opinion of your work from somebody else, You really can't tell the difference between the two either. Without knowing a person's heart, you really can't judge their motives for the ratings they hand out.

I personally don't pay any attention to the stars given my content. Views and downloads are what really counts. Comments count next. Stars are the least thing to worry about in my opinion because they're biased and totally arbitrary.

It is a miracle that curiosity survives formal education. - Albert Einstein