Mac - First go to finder > applications > Blockland > Config > server. Then double click on colorSet.txt copy and PASTE the colorSet.txt in the colorset you have then open up blockland and press e and PRESTO! You have the colorset you wanted! Then get you self a nice cold water and a cookie

Windows vista - First open up C: Then click Blockland Then Double click Config > server then you will see colorSet thing open it then copy and paste the code inside the colorset you got then go to open up blockland and start a game and press e and PRESTO! You have the colorset you wanted! now go get a coffe.

Windows 7 - Same as windows vista look up ^
Linux - I DONT KNOW HOW CAUSE I ONLY HAVE WINDOWS 7 AND WINDOWS VISTA ON MY MAC COMPUTER OK!