Imager 0.67 is on ActiveState 5.10 repository.

Update: try just >search imager from the ppm command line.

C:\Projects>ppm search imager
Downloading ActiveState Package Repository packlist...not modified
 1: Catalyst-Plugin-Imager 0.01
 2: HTML-FormFu-Imager 0.03006
 3: Imager 0.67
 4: Imager-Chart-Radial 0.1
 5: Imager-Filter-Bakumatsu 0.02
 6: Imager-Filter-RoundedCorner 0.02
 7: Imager-Filter-Sepia 0.02
 8: Imager-Graph 0.06
 9: Imager-Montage 0.02
10: Imager-Screenshot 0.007
11: Imager-SkinDetector 0.05
[download]

Then immediately after that, just "install 3".
The gui installer is easier.
just ppm at the command line will start it.