Hi, Starting with the latest one-click Seaside image, I registered a Pier application following [1], then successfully embedded on-line many of JQuery examples using Pier Components. It's impressive to observe how smoothly it works! I only had a minor issue that is reported in [2]. Regards, Reza [1] Procedure for registering a Pier application for the needs of the above tests: A) Add the following libraries to PRPierFrame class >> configureApplication: JQDeploymentLibrary, JQUiDeploymentLibrary, and JQUiLightnessTheme B) Execute PRDistribution new register [2] When embedding the JQWidgetBoxJQToolsTabsExample, the following sequence raises MessageNotUnderstood A) JQWidgetBoxJQToolsTabsExample >> updateRoot: B) In the #removeAllSuchThat: loop, the message #attributes is sent to a WAOpeningConditionalComment