I am also getting PHP errors with Magpie when trying bring in a Google Reader feed
A PHP Error was encountered
Severity: User Warning
Message: MagpieRSS: Failed to parse RSS file. (mismatched tag at line 37, column 77)
Filename: plugins/pi.magpie.php
Line Number: 1387
A PHP Error was encountered
Severity: Notice
Message: Trying to get property of non-object
Filename: plugins/pi.magpie.php
Line Number: 104
A PHP Error was encountered
Severity: User Warning
Message: mismatched tag at line 37, column 77
Filename: plugins/pi.magpie.php
Line Number: 970
A PHP Error was encountered
Severity: User Warning
Message: MagpieRSS: Failed to parse RSS file. (mismatched tag at line 37, column 77)
Filename: plugins/pi.magpie.php
Line Number: 1387
A PHP Error was encountered
Severity: Notice
Message: Trying to get property of non-object
Filename: plugins/pi.magpie.php
Line Number: 104
A PHP Error was encountered
Severity: User Warning
Message: mismatched tag at line 37, column 77
Filename: plugins/pi.magpie.php
Line Number: 970
A PHP Error was encountered
Severity: User Warning
Message: MagpieRSS: Failed to parse RSS file. (mismatched tag at line 37, column 77)
Filename: plugins/pi.magpie.php
Line Number: 1387
A PHP Error was encountered
Severity: Notice
Message: Trying to get property of non-object
Filename: plugins/pi.magpie.php
Line Number: 104
A PHP Error was encountered
Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at /home/gavinc/public_html/cgd_data/codeigniter/system/core/Exceptions.php:170)
Filename: core/Common.php
Line Number: 405