Open a new image 
width > 700
height > 300
background color > white (for now)
image type > 16.7 million colors (24 bit)
click the foreground icon
again
select the color for your banner (I used blue 0,0,255)
now on the right side select a few shades darker

click OK
click the background color icon 
once again select the color of your banner (0,0,255)
this time select a few shades lighter

click OK
select the fill tool 
match mode > none
tolerance > 200
fill style > sunburst gradient
fill the image
click on the background color icon 
select the color of your web page (I used 220,194,129)
click OK
selections > select all
image > deformations > perspective - horizontal
% difference > 100
click OK
selections > select none
selections > select all
This may seem redundant
TRUST ME
selections > modify > transparent color
transparent color > background color
tolerance > 0
click OK
Now you should have a pennant shaped object that is selected.
If you do not you should start over.
image > mirror
selections > modify > transparent color
transparent color > background color
tolerance > 0
click OK
image > special effects > cutout
fill interior color > unchecked
interior color > doesn,t matter
shadow color > black
opacity > 180
blur > 30
vertical > -2 (minus two)
horizontal > -2 (minus two)
click OK
image > special effects > cutout
fill interior color > unchecked
interior color > doesn,t matter
shadow color > white
opacity > 180
blur > 30
vertical > 1
horizontal > 1
click OK
selections > select none
now reverse foreground and background colors
TIP : CLICK THE LITTLE ARROWS

select the text tool 
make sure floating is checked
select your font and size and type in your text
keep in mind the size of your banner
click OK
if your text is too large click the undo button 
and redo it smaller
image > special effects > cutout
fill interior color > unchecked
interior color > doesn,t matter
shadow color > black
opacity > 180
blur > 30
vertical > 2
horizontal > 2
click OK
selections > select none
colors > decrease colors > X colors (8 bit)
number of colors > 256
check only error diffusion
click OK

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