Made with Adobe Photoshop CS3.
Level: Medium. Uses curves.
1. Crop the image and resize it to 100x100 px.
2. Duplicate the base and set it to screen 100.
3. Layer > New adjustment layer > Hue/Saturation. Set master saturation to +30.
4. Layer > New adjustment layer > Curves
RGB
Input 1: 41
Output 1: 67
Input 2: 120
Output 2: 142
Input 3: 182
Output 3: 213
5. Take this texture:
(made by
girlboheme) and paste it as a new layer. Set it to soft light 100.
6. Take this texture:
(made by I have no idea, but it's someone I list
here) and paste it as a new layer. Set it to hard light 80.
7. Duplicate the base and drag it to the top. Set it to screen 100.
8. Layer > New adjustment layer > Black & White. Set it to soft light 100.
9. Merge all layers.
And you're done! Let me know what you think, and I'd love to see results if you try it.