Electrik Milk Bath Press has posted a call for a second anthology call "More Dia de los Muertos Stories". They're looking for stories of 1000 to 5000 words centered around the "day of the dead" theme. The deadline is July 1 and payment is $30. You can find the details here.
They've also extended the deadline for their motorcycle themed anthology to May 16. Payment is $30 and the details are at the top of the submission page.