I'm not familiar with these to apps, but check the scripts that start them up.
and see if they start with
Code:
#!/usr/bin/env python2.5
You can change that to
Code:
#!/usr/bin/env python
and it will use your default version of Python so if Python 2.6 is the default version it will use that.
How to upgrade you Python version is in /usr/ports/UPDATING