Tutorial No. 1
A lot of people love the orangey bright cute colorization in icons, so I tried my best to make an icon tutorial for that!
From this
to 
This is reeaallly easy, as long as you know how to do Curves :) Let's start!
1. Duplicate the layer and set it to Screen 50%
2. Add a new Curves layer and do the ff. settings:
RGB:
First Point
I-114 0-128
Second Point
I-157 0-160
Red
First Point
I-120 O-146
Second Point
I-157 O-187
Green
First Point
I-115 O-120
Second Point
I-166 O-169
Blue
First Point
I-82 O-107
Second Point
I-168 O-168
3. Add a Selective Color layer and do the ff:
Reds
C -100
Y 100
Yellows
C 100
M 100
Neutrals
C -22
M 3
Y 12
B 10
4. Add another Curves layer and do the ff.
RGB
I-126 O-135
5. Lastly, add a Hue/Saturation layer and set the saturation at 10. And voila! you're done :D
Result: another result i got from this is :
another result i got from this one: 
From this
to This is reeaallly easy, as long as you know how to do Curves :) Let's start!
1. Duplicate the layer and set it to Screen 50%
2. Add a new Curves layer and do the ff. settings:
RGB:
First Point
I-114 0-128
Second Point
I-157 0-160
Red
First Point
I-120 O-146
Second Point
I-157 O-187
Green
First Point
I-115 O-120
Second Point
I-166 O-169
Blue
First Point
I-82 O-107
Second Point
I-168 O-168
3. Add a Selective Color layer and do the ff:
Reds
C -100
Y 100
Yellows
C 100
M 100
Neutrals
C -22
M 3
Y 12
B 10
4. Add another Curves layer and do the ff.
RGB
I-126 O-135
5. Lastly, add a Hue/Saturation layer and set the saturation at 10. And voila! you're done :D
Result: another result i got from this is :
another result i got from this one: