A lot because there are some display methods though there are a lot of parameters. It might not be so much a lot if you decide the display method.

* In these explanations, there are a lot of things that the YouTube Data API Developer’s Guide was quoted.

Support

• Support Key
  This is a parameter for the support. It doesn't forget, and input the issued valid key, please.

Display Style

• Module Class Suffix
• Output StyleSheet
  If you want to use your stylesheet of your template, please set to Hide.
  (modules/mod_youtube_bar/assets/ytbar.css)
• Search Form(header)
  If Show, it is displayed the search form on YouTube Bar.
• Show Result(header)
  Show/Hide Search Result
• Show Anim
  It is animation when the image is load.
• Show Title
  Default Hide. (not recommended)
• Show PageNav
  Show/Hide PageNavigation
• Show Pages Counter(footer)
  Show/Hide Pages Counter
• Show Results(footer)
  Show/Hide Results
• YouTube Bar Width
  Default is empty.
• YouTube Bar Height
  Default is empty.

General Setting

• Author
  The author parameter restricts the search to videos uploaded by a particular YouTube user. The Videos uploaded by a specific user section discusses this parameter in more detail.
• Max Results
  It is a displayed number of videos. (required)
• Start Index
  If you do not want to display it from the beginning of the retrieval result, it specifies here how many it is.
  Default is empty.
• Google Maps API Key
  Please input correct APIKey issued from Google if you use Google Map and you want to specify the region.
• Location
  Please specify the location by the drug and double-clicking.
• Location Radius
  The radius is specified. The retrieval result cannot be expected in a small radius too much.
• Specified Language
  In a video search request, this parameter restricts the search to videos that have a title, description or keywords in a specific language. This parameter can be used when requesting any video feeds other than standard feeds.
• Order By
  The orderby parameter, which is only supported for video feeds, specifies the value that will be used to sort videos in the search result set.
• Video Type(*)
  The parameters are different according to the selected type.

For Video

When the Video Type parameter is Videos, this parameter is enabled.

• Search Word(s)
  This parameter specifies a search query term. YouTube will search all video metadata for videos matching the term.

For Category & Keyword

When the Video Type parameter is Category, these parameters are enabled.

• Category
  The category parameter enables you to retrieve videos that are in a particular category or are tagged with a particular keyword or developer tag.
• Search Word(s)
  This parameter specifies a search query term. YouTube will search all video metadata for videos matching the term.

For Standard Feed

When the Video Type parameter is Standard Feed, these parameters are enabled.

• Feed Id
  Standard feeds contain lists of videos that either reflect YouTube user behavior, such as top-rated and most viewed video feeds, or were selected by YouTube staff, such as recently featured and mobile video feeds. Many of these feeds are shown on the Videos tab of the YouTube website. Standard feeds are updated every few minutes. When using this, other parameters is ingnored.
• Region ID
  The API enables you to retrieve region-specific standard feeds by inserting a region ID in the standard feed URL.
• Show Time List
  Show/Hide Time Select List
• Time
  The time parameter, which is only supported for the top_rated, top_favorites, most_viewed, most_popular, most_discussed, most_linked and most_responded standard feeds, restricts the search to videos uploaded within the specified time.

For User’s Favorites

When the Video Type parameter is Favorites, this parameter is enabled.

• UserName(User ID)
  User ID of YouTube

Category or Video

When the Video Type parameter is Category or Videos, these parameters are enabled.

• General
• Restriction
  The restriction parameter identifies the IP address that should be used to filter videos that can only be played in specific countries.
• Safe Search
  The safeSearch parameter indicates whether the search results should include restricted content as well as standard content.
• Sort Order
  The sortorder parameter, which is only valid for comments feeds, specifies the order in which comments should appear in the API response.
• Auto Mapping Keywords
• Auto Mapping Site Keyword
  Yes/No Auto mapping to keyword from the keywords of the page.
• Search Type
  Select AND or OR of search type
• Max Keyword Number
  The max word number of keywords generated by an automatic mapping.
• Min Keyword Length
  The min word number of keywords generated by an automatic mapping.
• Priority Order
  Priority order of search keywords

Advanced Setting

• Auto Paging
  Yes/No Auto paging. (Not supported IE)
• Error Message
  When it was not got search results, display this.
• Prev
  Display text
• Prev Text
  Title of a prev link
• Next
  Display text
• Next Text
  Title of a next link
• Slide Delay
  Time until slide is started
• Max Page
  How many page links of PageNavigation is displayed is specified.
• Loop Time
  It is time until the next page is displayed by the automatic operation when Auto paging is Yes.
• Thumb Width
  Thumbnail width. Item Height is calculated with the Calc button.
• Thumb Border
• Border Color
  Default is #fff
• Item Height
• Background Color
  Default is #000
• Video Width
  Video display Width(px)
• Video Height
  Video display Height(px)
• Related Video
  Show/Hide Related Video at the play end