i downloaded these maps from the other part and ir saiz the usual crappy maps and wat do i do?

You need the host files, once you get those, then make a folder called, "custom_maps" inside the host folder. After you do that, just place the maps you downloaded into your host folder.

To summerize that up
1.Download host files
2.Make a folder named custom_maps
3.Put any Custom maps in there.