You can also try these related scripts:

• Append Tag Searching Tub - Adds “Keyword”, “Tags”, “My List”, “Images” and “Live” search tabs to all of the Niconico search boxes.
• Clone Turning Page Button in nicovideo - Also shows the pagination on the top of Nico Live search r###lt, Lives by Category page, and Nico Video user page.
• Nicopedia-Resanchor-Popup - ニコニコ大百科 掲示板のレスアンカーをポップアップ表示する
• Nicopedia-Redefine-MMLPlayer (Deprecated) - ニコニコ大百科 ピコカキコプレーヤーの読み込み位置を正しくする
• NicoVideo Post to SBM with selected tags - allows to search or post to SBM with multiple tags from tag list in NicoVideo watching page.