Ok, quick dirty random snippet:
Code:
f = CreateFrame("Frame", nil, UIParent)
f:SetPoint("CENTER")
f:SetSize(150, 150)
for x = 29, 35 do
for y = 37, 43 do
local tex = f:CreateTexture()
tex:SetSize(150, 150)
tex:SetPoint("CENTER", -150 + (x - 32) * 150, 150 - (y - 40) * 150)
tex:SetTexture(format("World\\Minimaps\\Azeroth\\map%d_%d.blp", x, y))
end
end
Epic result: