Zero One Publishing has posted an anthology call for "Whispers From the Abyss Vol. II". They're looking for stories of 2500 to 4500 words that are HP Lovecraft inspired. They have a list of what they want and don't want to see for this theme. They're also open to flash fiction submissions. The deadline is May 30, 2015 and payment is 1cent a word. You can find all the details here.
Hat tip to darkmarkets.com