Another Lusophone flags

Flags are not languages, tells this page. I disagree. There are flags of countries, but there are linguistic flags too. My first was this, but I was not satisfied with it. Here is simplified version (the cross is based on this one), but it still contains green-red bicolour, which is old only 103 years and is bound to one country. This banner got rid from bicolour, but is still bound only to Portugal and the cross looks too Finnish. This banner is asymetrical (left is triangle, right is rectangle) and the cross doesn't fit with the triangle. So I had idea to replace it with cross from eight Ls. You can see the result in upper left corner. Then I tried to improve the flag. I completed the triangle to diamond, but it is too Brazilian. So I got rid of the red border and filled the background with green-red bicolour. I made opposite change too: get rid of the green and leave only diamond from Brazil. Personally, I like this design, because it is not very Brazilian (the yellow represent castles from CoA of Portugal and the corners represent spread of language). If you get rid of diamond, the proposal is too Portuguese and looks like flag of Sikkim. And the lower left is not my proposal. It is only variation of upper left, but without original meaning of red (border of white Portuguese shield). However, its yellow-white bicolour can represent Catholicism of Lusophony.
PS: For Spanish language I prefer this flag not bound to any country, but if you combine symbols of countries, you can get e.g. this. Personally, I don't like it.