Buttload of errors

Uncaught TypeError: Property ‘$’ of object [object Object] is not a function (index):2112
Failed to load resource uhttps://www.leathertowne.com/wp-content/plugins/online-games/images/thumbnails/dchaser.jpg
Failed to load resource fhttps://www.leathertowne.com/wp-content/plugins/online-games/images/thumbnails/crazysmallicon.jpg
Failed to load resource mhttps://www.leathertowne.com/wp-content/plugins/online-games/images/thumbnails/franksmallicon.gif
Failed to load resource mhttps://www.leathertowne.com/wp-content/plugins/online-games/images/thumbnails/spacesmallicon.gif
event.returnValue is deprecated. Please use the standard event.preventDefault() instead.
Failed to load resource: the server responded with a status of 404 (Not Found) https://www.leathertowne.com/wp-content/plugins/online-games/images/thumbnails/bikestunts/bikestunts_small.jpg
Failed to load resource: the server responded with a status of 404 (Not Found) https://www.leathertowne.com/wp-content/plugins/online-games/images/thumbnails/rimsonvipersmallicon.gif
Failed to load resource: the server responded with a status of 404 (Not Found) https://www.leathertowne.com/wp-content/plugins/online-games/images/thumbnails/adaboomsmallicon.jpg
Failed to load resource: the server responded with a status of 404 (Not Found) https://www.leathertowne.com/wp-content/plugins/online-games/images/thumbnails/canyonglidersmallicon.gif
Failed to load resource: the server responded with a status of 404 (Not Found) https://www.leathertowne.com/activity/flashgames247/birdy/birdysmallicon.jpg/
Failed to load resource: the server responded with a status of 404 (Not Found) https://www.leathertowne.com/activity/arcadetown/roboxer2/roboxer2_sm.gif/
Failed to load resource: the server responded with a status of 404 (Not Found) https://www.leathertowne.com/activity/miniclip/blox2/bloxforeversmallicon.jpg/
Failed to load resource: the server responded with a status of 404 (Not Found) https://www.leathertowne.com/activity/miniclip/warrior/warriorsmallicon.gif/
Failed to load resource: the server responded with a status of 404 (Not Found) https://www.leathertowne.com/activity/miniclip/war_on_terrorism/wotsmallicon.gif/
Failed to load resource: the server responded with a status of 404 (Not Found) https://www.leathertowne.com/activity/miniclip/bushshootout/bushshootoutgamesmallicon.gif/
Failed to load resource: the server responded with a status of 404 (Not Found) https://www.leathertowne.com/activity/2dplay/airhockey/ag8.jpg/
Failed to load resource: the server responded with a status of 404 (Not Found) https://www.leathertowne.com/activity/a/

I think something needs to be updated on this plug in.

https://www.ads-software.com/plugins/online-games/