Existing users, 
An unofficial fix so that Pith Helmet works with Safari 3.1:
1. Quit Safari.
2. Navigate to /Library/Application Support/SIMBL/Plugins/PithHelmet.bundle.
3. Control click to show package contents.
4. Open bundle and go to Contents.
5. Double click info.plist
6. Change MaxBundleVersion to 5525 (or what ever is the current Safari build for your version of the new Safari). It will then look like this:
<key>MaxBundleVersion</key>
<string>5525</string>
7. Save and relaunch Safari.
As always, it is best to have a verified backup, just in case…
Apple Safari
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Version: 4.0.4
An unofficial fix so that Pith Helmet works with Safari 3.1
Feedback Type: Usage Tip
Contributed by: pendragon Tuesday, March 18 2008 @ 09:11 AM PDT
Product Platform: MacOSX
Used Product For: Over One Year
Recommend Product: YES
Comments
An unofficial fix so that Pith Helmet works with Safari 3.1 - pendragon
Sorry, I do not have a SAFT fix.But a post at MacOS Hints may have the solution you seek. It looks like the fix is akin to the Pith Helmet fix.
See: http://www.macosxhints.com/article.php?story=20060803170950202
If you give it go, please post your results so that others may benefit.
Good luck!
Tuesday, March 18 2008 @ 11:57 AM PDT
An unofficial fix so that Pith Helmet works with Safari 3.1 - Doc.
Do you have a fix for saft too?No doubt the developer will take 2-3 weeks to come out with one and it will be a Royal Pain to download for paid users!!
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Tuesday, March 18 2008 @ 10:44 AM PDT