Coding help!!!

H1 !! first blog kinda nervy

So,, i made this account 2 days ago with no prior knowledge of coding and im kinda struggling to make some of my blinkies work even though im 99% sure im using the right code.. ｡°(°¯᷄◠¯᷅°)°｡

if anyone could pls help me figure out what im doing wrong/why theyr not working i would appreciate it so so so very much !!

heres some of my attempted code: 

<img src="https://external-media.spacehey.net/media/sWmqwLOT_MPFw-A-KjJvcyPcjO8Bwq1oG8S4LPV4w7Vw=/https://plasticdino.neocities.org/blinkie/tumblr_fe87c1eb6b6bae9ea5d82a1b841361af_f8640dec_250.gif" style="font-size: 16px;"/>

<img src=“https://external-media.spacehey.net/media/skQAAef4ejI8aUAmwhLW-nnwmMmzE2dS733DKeke9Hok=/https://graphic.neocities.org/halloween_2.gif” style="font-size: 16px;"/>

<img src=“https://external-media.spacehey.net/media/sdWwJ_KGapM5LMU8IKI7IL2VN7tRwlT6YuOfrIi2sg4Y"/>

<img src=“https://external-media.spacehey.net/media/sojboQ9BnPoTz8sRS_oM5fWcPu4iUp5hejeoBAbH4AUE=/https://i.postimg.cc/Hshnq0B7/moonage-daydream-03.gif” style="font-size: 16px;”/>

<img src=“https://external-media.spacehey.net/media/sqKpd88UeU_HAyu9YQ-eR8cnMKk79oNthxklkAg8IXgk=/http://dl3.glitter-graphics.net/pub/180/180793o6w0geqbip.gif” style="font-size: 16px;”/>