additional tags

Hello! Thanks for all good plugins and help!

I have one wish! Everybody talks about the security risk with additional tags, and how you can change it. Can anybod show an example how and were you modified the file/files so it´s not a security problem. My users want to add youtube, flash etc.. into the posts so simple it can bee...But I don want any securityrisk and I am a bad coder but understand if somebody explain with code example :slight_smile:

Best regards the swedish gye with bad english....