diff --git a/incus/backend.func b/incus/backend.func
index 17b220a..55868cb 100644
--- a/incus/backend.func
+++ b/incus/backend.func
@@ -90,7 +90,19 @@ _incus_resolve_launch_image() {
     candidates+=("images:ubuntu/${ver}.04" "images:ubuntu/${ver}.04/cloud")
   fi
 
-  local cand local_match
+  local cand local_aliases
+
+  # Local first: no round-trip, and works without internet.
+  local_aliases=$(incus image list -f csv,noheader -c l 2>/dev/null || true)
+  for cand in "${candidates[@]}"; do
+    if [[ -n "$local_aliases" ]] &&
+      grep -qxF "${cand#images:}" <<<"$local_aliases" &&
+      incus image info "${cand#images:}" &>/dev/null; then
+      INCUS_LAUNCH_IMAGE="${cand#images:}"
+      return 0
+    fi
+  done
+
   for cand in "${candidates[@]}"; do
     if incus image info "$cand" &>/dev/null; then
       INCUS_LAUNCH_IMAGE="$cand"
@@ -98,16 +110,6 @@ _incus_resolve_launch_image() {
     fi
   done
 
-  # Local image fingerprint/alias match (already copied)
-  local_match=$(incus image list -f csv,noheader 2>/dev/null |
-    awk -F, -v os="$os" -v ver="$ver" '
-      tolower($0) ~ os && $0 ~ ver { print $1; exit }
-    ' || true)
-  if [[ -n "$local_match" ]] && incus image info "$local_match" &>/dev/null; then
-    INCUS_LAUNCH_IMAGE="$local_match"
-    return 0
-  fi
-
   # Last resort: try remote launch of primary (incus may pull on demand)
   INCUS_LAUNCH_IMAGE="images:${os}/${ver}"
   return 1
diff --git a/pve/backend.func b/pve/backend.func
index ce3718a..d64d9f7 100644
--- a/pve/backend.func
+++ b/pve/backend.func
@@ -2367,8 +2367,31 @@ create_lxc_container() {
   }
 
   # Downloads an ARM64 LXC rootfs template to $1.
-  # Debian: fetches latest release from community-scripts/debian-arm64-lxc on GitHub.
-  # Others: fetches from jenkins.linuxcontainers.org.
+  # Does Proxmox offer this OS/version/arch? Local first, then the catalog.
+  _pveam_offers_template() {
+    local search pattern
+    search="${PCT_OSTYPE}-${PCT_OSVERSION:-}"
+    case "$PCT_OSTYPE" in
+    debian | ubuntu) pattern="-standard_" ;;
+    alpine | fedora | rocky | centos) pattern="-default_" ;;
+    *) pattern="" ;;
+    esac
+
+    if pveam list "$TEMPLATE_STORAGE" 2>/dev/null |
+      awk -v s="$search" -v p="$pattern" -v a="$ARCH" \
+        '$1 ~ s && $1 ~ p && $1 ~ ("_" a "\\.(tar\\.zst|tar\\.xz|tar\\.gz)$") {found=1}
+         END {exit !found}'; then
+      return 0
+    fi
+
+    _pveam_update >/dev/null 2>&1 || true
+    _pveam_available |
+      grep -E "_${ARCH}\.(tar\.zst|tar\.xz|tar\.gz)([[:space:]]|$)" |
+      awk '{print $2}' |
+      grep -qE "^${search}.*${pattern}"
+  }
+
+  # Only reached when pveam has nothing for this arch.
   download_arm64_template() {
     local dest="$1" url
 
@@ -2377,21 +2400,7 @@ create_lxc_container() {
       exit 217
     }
 
-    if [[ "$PCT_OSTYPE" == "debian" ]]; then
-      url=$(
-        curl -fsSL "https://api.github.com/repos/community-scripts/debian-arm64-lxc/releases/latest" |
-          jq -r --arg v "$CUSTOM_TEMPLATE_VARIANT" \
-            '.assets[].browser_download_url | select(test("debian-" + $v + "-arm64-rootfs\\.tar\\.xz$"))' |
-          head -n1
-      )
-
-      [[ -n "$url" ]] || {
-        msg_error "Could not find Debian ${CUSTOM_TEMPLATE_VARIANT} ARM64 template URL."
-        exit 225
-      }
-    else
-      url="https://jenkins.linuxcontainers.org/job/image-${PCT_OSTYPE}/architecture=arm64,release=${CUSTOM_TEMPLATE_VARIANT},variant=default/lastStableBuild/artifact/rootfs.tar.xz"
-    fi
+    url="https://jenkins.linuxcontainers.org/job/image-${PCT_OSTYPE}/architecture=arm64,release=${CUSTOM_TEMPLATE_VARIANT},variant=default/lastStableBuild/artifact/rootfs.tar.xz"
 
     msg_info "Downloading ${PCT_OSTYPE^} ${CUSTOM_TEMPLATE_VARIANT} ARM64 template"
     local patched="${dest%/*}/.${dest##*/}.patched"
@@ -2603,9 +2612,8 @@ create_lxc_container() {
   # ------------------------------------------------------------------------------
   CUSTOM_TEMPLATE_VARIANT=""
 
-  if [[ "$ARCH" == "arm64" ]]; then
-    # ARM64: use custom template download from linuxcontainers.org / GitHub
-    msg_info "Preparing ARM64 template"
+  if [[ "$ARCH" == "arm64" ]] && ! _pveam_offers_template; then
+    msg_info "No Proxmox template for ${PCT_OSTYPE} on ${ARCH}, using linuxcontainers.org"
 
     CUSTOM_TEMPLATE_VARIANT=$(arm64_template_variant "$PCT_OSTYPE" "${PCT_OSVERSION:-}") || {
       msg_error "No ARM64 template mapping for ${PCT_OSTYPE} ${PCT_OSVERSION:-latest}"
@@ -2730,12 +2738,13 @@ create_lxc_container() {
 
           mapfile -t LOCAL_TEMPLATES < <(
             pveam list "$TEMPLATE_STORAGE" 2>/dev/null |
-              awk -v search="${TEMPLATE_SEARCH}-" -v pattern="${TEMPLATE_PATTERN}" '$1 ~ search && $1 ~ pattern {print $1}' |
+                awk -v search="${TEMPLATE_SEARCH}-" -v pattern="${TEMPLATE_PATTERN}" -v arch="${ARCH}" \
+                  '$1 ~ search && $1 ~ pattern && $1 ~ ("_" arch "\\.(tar\\.zst|tar\\.xz|tar\\.gz)$") {print $1}' |
               sed 's|.*/||' | sort -t - -k 2 -V || true
           )
           mapfile -t ONLINE_TEMPLATES < <(
             _pveam_available |
-              grep -E '\.(tar\.zst|tar\.xz|tar\.gz)$' |
+              grep -E "_${ARCH}\.(tar\.zst|tar\.xz|tar\.gz)([[:space:]]|$)" |
               awk '{print $2}' |
               grep -E "^${TEMPLATE_SEARCH}-.*${TEMPLATE_PATTERN}" |
               sort -t - -k 2 -V 2>/dev/null || true