New Voices submissions are open to new and emerging writers only (no novel-length published work forthcoming at the time of submission). They except a variety of genres, and pay .10 cents per word up to $200.00. Stories can be up to 7,000 words long.
Full details can be found here.
Clarksworld Magazine is open to submissions. They are looking for science fiction and fantasy stories of between 1,000 and 16,000 words. Payment is 10¢ per word for the first 5000 words, 8¢ for each word over 5000.