I just discovered this awesome freeware package which offers 54 Automator actions which allow you to control Adobe Photoshop.
The actions include

Add Watermark
Filter from EXIF
Arbitratio Rotate
Filter from IPTC
Assign Color Profile
Filter from Orientation
Assign Epson 2200 Profile
Fit Image
Assign Epson 2400 Profile
Flatten Document
Auto Contrast
Flip Canvas
Auto Levels
Gaussian Blur
Bleach Bypass
HDR Merge
Change Bit Depth
Hue/Saturation
Change Mode
Invert
Change Pixel Aspect Ratio
Load Selection
Close Document
Mono Gaussian Noise
Clouds
Motion Blur
Convert to Profile
NTSC Colors
Copy Name to IPTC Open
Create New Document Purge

Download the package here