[MarkFL]

Okay, after you have the product installed, add a plugin as follows:

Product: MarkFL: Additional Thread Tools

Hook Location: parse_templates

Title: Blinking Highlighted Threads

Execution Order: 5

Plugin PHP Code:

PHP Code:

if (in_array(THIS_SCRIPT, array('forumdisplay', 'search')))
{
    $template_hook['headinclude_css'] .= '<style>threadbit.markfl_highlight .deleted, .threadbit.markfl_highlight .sticky, .threadbit.markfl_highlight .nonsticky, .threadbit.markfl_highlight .discussionrow, .threadbit.markfl_highlight .alt, .threadbit.markfl_highlight .ignored {animation: blink 1s steps(1) infinite; -webkit-animation: blink 1s steps(1) infinite;} @keyframes blink {50% {background: transparent;}} @-webkit-keyframes blink {50% {background: transparent;}}</style>';
} 


Plugin Is Active: Yes

Click "Save" and that should do it.