The eruption of Eyjafjallajökull?
Batch, 284 bytes

@set e=echo 
@%e%off
set s=      
set t=   
goto %1
:RED
set t= ` 
%e%   `~ ~ ~ ~ ~ ~`
:ORANGE
%e%   %t%~  ~  ~%t%
:YELLOW
%e%    %t%~   ~%t%
%e%%s%%t%~%t%
:GREEN
%e%%s%al   la 
%e%     j%s% j
%e%  jaf %s%  oku
%e% y %s%%s%  l
%e%E%s%%s%%s%l
%e%--------------------


Note: Lines 1 and 7 have one trailing space, line 3 has six and line 4 has three.